Common Frequently Asked Questions for All Products

SYZ Rod Ends (syzrodends.com) is the dedicated rod end, spherical bearing, ball joint and linkage hardware product brand of SYZ Machine — not a separate company. It is not the legal entity itself.

SYZ Machine’s registered legal entity is Shanghai Yongzhen Machine Components Co., Ltd. (上海永真机械配件有限公司), Unified Social Credit Code 913101125916126737. This is the name on our business licence, ISO 9001:2015 certificate, SGS reports and other legal documents. If you receive paperwork under “SYZ Machine” or “Shanghai Yongzhen Machine Components Co., Ltd.”, it is from the same company behind syzrodends.com.

The business began in 1999, manufacturing rod end bearings in Shanghai. The current legal entity, Shanghai Yongzhen Machine Components Co., Ltd., was registered on 29 February 2012, and the SYZ Machine brand — and its SYZ Rod Ends product line — has operated continuously since.

We are a manufacturer, not a trading company. Engineering, quality and international sales are based in Shanghai, and production runs across our own factory and two closely-affiliated production bases:

• Our own factory in Ningbo, Zhejiang: 2,200 m², 30 staff, 48 machines (35 CNC). This is the production address named on our ISO 9001:2015 certificate.
• Rod end and ball joint base in Wuxi, Jiangsu (affiliated, independently registered): 6,000 m², 50 staff, 2 production lines, 66 machines, monthly capacity of 200,000 pieces. Assessed on site by SGS, report No. 492475436_P+T.
• Structural and sheet-metal base in Taixing, Jiangsu (affiliated, independently registered): 5,313 m², 32 staff, 68 equipment units across 4 production lines. Assessed on site by SGS, report No. 482195455_P+T.

Our Shanghai office is 620 m² with 38 staff handling engineering, quality management, purchasing and international business, including 14 dedicated export specialists.

For some process-specific or long-tail custom parts, yes. In addition to our own Ningbo facility and the two affiliated Jiangsu bases, we work with about 30 qualified long-term partner workshops, mainly around Ningbo and Taizhou, for supplemental capacity and special processes. We qualify these partners by factory scale, equipment, quality and delivery stability, with SYZ sampling or final inspection on their output. We do not publish individual partner workshop names.

Our core rod end and ball joint production line, however, is fully self-manufactured — forging through precision finishing is done in-house, with no outsourcing on that line.

Our Wuxi rod end and ball joint base runs a monthly capacity of 200,000 pieces across 2 production lines — a figure recorded in SGS on-site assessment reports rather than self-declared. Our Ningbo factory has 48 machines and currently runs at roughly 50% utilization, with headroom to about 80% in peak season.

• ISO 9001:2015 (GB/T 19001-2016), certificate No. 11425Q49262R0S, issued by Beijing East Allreach Certification Center (EACC), accredited under IAF mutual recognition and CNAS (C114-M), valid through 9 September 2028. Verify at eacc.com.cn or cnca.gov.cn.
• RoHS 2.0: XM / JMX / CM rod end bearings tested by TÜV Thüringen (Shanghai), report No. 8621.SHJ4.2509.02611, result PASS. RoHS testing for other product lines is available on request.
• German EPR packaging registration (LUCID): registration No. DE4938702757025.
• Four current SGS on-site assessment reports covering our Shanghai office and both affiliated Jiangsu bases, verifiable at auditedsupplier.sgsgroup.com.cn.

We manufacture over 1,700 catalogue items across inch and metric rod ends, spherical plain bearings, small ball joints, industrial ball joints and linkage hardware, clevis and yoke ends, spacers and misalignment hardware, tube and threaded fabrication components, bushings and rebuildable flex joints, steel balls and bearing hardware, and wheel bearing/seal kits.

Applications span off-road and automotive suspension, industrial automation, robotics, agricultural machinery, EV battery module assembly, marine, and general mechanical linkage — see the Shipping & Applications section below.

MOQ is typically 100–300 pieces per item; stock items can ship in smaller quantities. Lead time: rod ends, ball joints and spherical bearings run about 25 days; tie rods and adjustable linkage hardware about 20 days; CNC-machined parts and linkage assemblies about 30 days. See the Ordering, MOQ & Payment section for detail.

We serve customers in 20+ countries, with North America accounting for roughly 77% of revenue. Customers include performance and off-road aftermarket brands, distributors, industrial OEMs, and engineering firms.

We’ve been in this industry since 1999. SYZ is a top seller of rod ends and a Golden Trusted Supplier on Alibaba, where over 49% of buyers choose SYZ. We serve customers in 20+ countries, many of whom have worked with us for over 10 years. We fully stand behind our products — if there is any defect on our side, we replace or refund without hesitation.

Except for the United States (our main market), we welcome sole agent applications from other countries. The annual purchase requirement to qualify varies by market — email us and our owner will contact you directly. Once an agreement is signed, we sell only to you in that country and forward local inquiries to you. For U.S. customers, dealership opportunities are available on request.

We’re reachable 9:00 AM to 9:00 PM (GMT+8), Monday to Friday.

Phone: +86-21-34689886 Email: [email protected]

We’re also available via WhatsApp, Skype, Facebook, WeChat and Email.

We accept STEP, IGES, DWG and PDF drawings, and can also work directly from a physical sample if you don’t have CAD files on hand.

Yes. Send us the physical part or sample and our engineering team will reverse-engineer it, flag any structural improvements, and produce prototype samples for your approval before mass production.

Yes, this is routine. Send the physical part with no drawings and our team will measure it, confirm bore, thread, material and misalignment, and produce a sample for dimensional approval before we quote volume production. For standard series we also cross-reference to FK, QA1, Aurora, Alinabal and Midwest Control part numbers where equivalents exist.

Standard catalogue parts are quoted within 24 hours. Custom drawings or samples typically take 2–3 business days for engineering evaluation and an initial quotation; complex custom development (material sourcing, non-standard tooling) can take a little longer.

Yes. We’re prepared to sign your NDA for custom projects before analysing any files, so your drawings stay confidential from the first submission.

Yes. If you don’t have technical drawings yet, our engineering team can help with spec development based on your target application, load and mounting envelope before we move to quoting.

Stock catalogue items ship as free samples in about 3–5 days (air freight not included). Custom-drawn parts that require new tooling or a first production run typically take around 20 days from drawing approval to sample shipment; we confirm a specific timeline once we’ve reviewed your drawing.

MOQ is typically 100–300 pieces per item across the catalogue; stock items can ship in smaller quantities. Spherical bearings can be sampled individually — see the Spherical Bearings section for the 1-piece sample minimum on that line. Send us the specific part and target volume for an exact number.

Yes. Samples are free of charge, though air freight is not included — you may use your own freight account or ask our sales representative for the shipping cost. Stock samples typically arrive in 3–5 days.

We accept payment by wire transfer (T/T) or PayPal. Common terms are 30% deposit in advance and 70% balance before shipment; special terms can be discussed for established partners.

Rod ends, ball joints and spherical bearings run about 25 days; tie rods and adjustable linkage hardware about 20 days; CNC-machined parts and linkage assemblies about 30 days from drawing/sample approval and deposit.

Yes. As a direct factory we can supply low-MOQ samples for quality and fitment testing before you commit to a full production run, so new brands can validate a product line with limited inventory risk.

Multi-SKU orders are assessed item by item against the standard MOQ rather than a single blanket minimum, so mixed orders across our 12 product categories have some flexibility — send us your SKU list for a combined quote.

Core materials across the catalogue are 52100 bearing steel (balls), 4130 chromoly steel, carbon steel, 440C and 304/316 stainless steel, and 7075-T6 aluminum for weight-critical rod ends, with reinforced nylon, PTFE, sintered bronze and copper-alloy liners for self-lubricating races. Material choice is matched to load, environment and maintenance preference.

4130 chromoly has the highest tensile and fatigue strength and is the standard for off-road and motorsport suspension and steering. Carbon steel suits moderate-load, cost-sensitive, general industrial or agricultural linkage in non-corrosive conditions. Stainless (SCM/SCF) is worth the premium when the joint faces continuous moisture, salt spray or washdown. Aluminum (7075-T6) suits lighter race and control-linkage applications where weight matters more than peak shock load.

A PTFE liner is bonded between ball and race to eliminate metal-to-metal contact, giving self-lubricating, maintenance-free, low-friction operation with a dry friction coefficient of 0.05 or lower and an operating range of roughly −50°C to +200°C. It’s the default choice where the joint is sealed, hard to grease, or must run clean; the trade-off is lower peak load and temperature than metal-to-metal.

Standard precision machining holds three-decimal tolerances of ±0.005 in. (±0.01 mm) on critical dimensions, with 100% CMM inspection on finished parts. As one reference point: our XMR10-T rod end carries a verified static radial load rating of 19,751 lbs.

Zinc plating is standard on carbon steel components. Black oxide, hard chrome plating, powder coating, e-coating and anodizing (aluminum parts) are all available, matched to your corrosion or appearance requirement.

Misalignment angle is the maximum angular deflection a rod end or bearing can take before the shank or housing bottoms out. Our high-misalignment series (PCM, PCYM, HJMX, YPB-T, WPB-T) and misalignment spacers extend the usable angle beyond a standard-clearance part. Exceeding the rated angle bends the shank or cracks the housing, so it should be checked against your worst-case articulation, not just static geometry.

Yes. Material certificates, dimensional inspection reports, hardness reports and — for larger or ongoing orders — batch-level documentation are available on request, backed by ERP batch traceability from incoming material to shipment.

Yes. Beyond the standard PTFE, nylon and sintered-bronze liners, we support polyurethane and Delrin bushings for flex joints, and can review other engineering plastics on request for OEM programs. Send your load, temperature and NVH requirement for a recommendation.

• ISO 9001:2015 (GB/T 19001-2016), certificate No. 11425Q49262R0S, EACC-issued, valid through 9 September 2028.
• RoHS 2.0 — XM/JMX/CM rod end bearings, TÜV Thüringen report No. 8621.SHJ4.2509.02611, PASS.
• German EPR (LUCID) registration No. DE4938702757025.
• Four current SGS on-site assessment reports across our Shanghai office and two affiliated Jiangsu bases.

Our process flow runs forging → machining → injection molding (for lined parts) → heat treatment → precision finishing, with incoming material checked against certificates before release to production. In-house measuring equipment includes a coordinate measuring machine (CMM), an optical projector and a Rockwell hardness tester, and every batch passes final inspection before packing.

No. Our core rod end and ball joint production line is fully self-manufactured, in-house from forging through precision finishing — our SGS-assessed production report for that line states outsourcing is unnecessary. Some structural, tubing and hardware processes do use our two affiliated Jiangsu bases or qualified partner workshops.

Yes, on relevant series. As a reference example, our XMR10-T rod end carries a verified static radial load rating of 19,751 lbs. Ask us for the load or life-cycle data on the specific series you’re evaluating.

Yes. Dimensional inspection reports, hardness reports and material certificates are available on request per batch, giving your incoming QC team documentation rather than verbal assurance.

Yes, we can laser-engrave your logo on the product. Custom packaging and barcode services are also available.

Yes, including neutral packaging and retail-ready packaging options with custom label design, so the product arrives ready to sell under your brand.

Yes. SYZ has completed PPAP submissions for North American OEM customers in the golf cart and light vehicle segment, and can prepare PPAP-style documentation for other OEM programs on request.

Send your logo in vector format (AI, EPS or DXF), the target part, and your packaging requirement (retail box, neutral, or private-label). We’ll confirm engraving placement, packaging options and turnaround with the quote.

Yes. We support low-MOQ samples for quality and fitment testing so you can validate a product before committing to a larger inventory position, then scale up with volume pricing once the fit is confirmed.

Yes. We serve customers in 20+ countries. We offer shipping under EXW, FOB, CIF and DDU terms, and can manage everything — shipping, customs clearance and door-to-door delivery — if you’d rather not handle it yourself. We ship by sea, by air, or via carriers like DHL, FedEx, UPS or TNT.

Once your order is confirmed, our sales rep provides an estimated lead time; any delay is flagged in advance. For urgent needs we can ship by air, and if you decide to cancel due to delay, we offer a full refund.

Off-road and automotive suspension/steering (ATV/UTV, race cars, rock crawlers) are core markets, alongside a growing industrial base: robotics and humanoid-robot linkage, industrial automation (servo actuators, pick-and-place, conveyor, welding cells), agricultural machinery (tractors, combines, balers, sprayers), EV battery module assembly and suspension, marine/offshore hardware, and hydraulic cylinder rod eyes.

Yes. Our stainless series (SCM/SCF inch, SCM-MT/SCF-MT metric, COM-SS spherical bearings, and stainless spacers/studs/rod eyes across the hardware lines) are built for saltwater, washdown and chemical exposure where zinc-plated steel would corrode through.

Yes. Spherical bearings can be sampled at 1 piece for evaluation, and our low-MOQ trial-order support extends across the catalogue, which suits robotics, exoskeleton and lab-automation projects that need a small validated batch before scaling to production volume.

A rod end is a complete assembly — a spherical bearing inside a housing with an integral threaded shank or bore, ready to thread into a linkage. A spherical plain bearing is just the ball-in-ring element and must be pressed into a housing you provide. SYZ manufactures both.

2-piece XM/XF swages the ball into the body with a molded nylon/PTFE race — self-lubricating and economical. 3-piece JMX/JFX uses a separate heat-treated alloy-steel race for tighter tolerance and higher load per bore, with a PTFE-lined (-T) option.

4130 chromoly (JMX/XM/HJMX/PCM) is the standard for off-road and motorsport shock loads. Carbon steel (CM/JM/EXM) suits moderate-load, cost-sensitive linkage. Aluminum (ALJM/ALRSM/ALJF, 7075-T6) suits weight-critical light-load applications, not heavy suspension shock. Stainless (SCM-T/SCF-T) is for continuous moisture or washdown exposure.

One built for a wider angular range before the housing bottoms out. HJMX is our heavy-duty high-misalignment chromoly series; high-misalignment spacers (SG/HMS) and HMBL steel balls can further increase the effective angle on standard rod ends.

Carbon steel and chromoly series are zinc-plated for normal service; the plating will rust if worn through. For salt, marine or chemical exposure, use our stainless SCM-T/SCF-T series instead.

Each inch series cross-references to specific competitor brands — for example JMX(-T)/JFX(-T) to FK, QA1, Alinabal and Midwest Control; AM-AF to QA1 and Midwest Control; HJMX(-T) to Aurora. Search by competitor part number on the relevant spec-selection page to find the SYZ equivalent.

Both are available across the inch range. For adjustable links (tie rods, sway-bar links, control arms) use one right-hand and one left-hand rod end on the same rod so length adjusts by rotating the rod without disconnecting either end; right-hand is standard for fixed mounts.

No. Rod ends are designed for oscillating, angular movement and static positioning. Continuous RPM overheats and wears the bearing — use a ball or roller bearing instead.

An inch rod end (heim joint) is a spherical bearing built into a one-piece body with an integral threaded shank or bore, so it threads directly into a linkage. Across the range the ball is 52100 bearing steel, precision ground, heat treated and hard chrome plated; the race is alloy steel, carbon steel, injection-molded reinforced nylon, sintered bronze or 440C stainless depending on series; and the body/housing is 4130 chromoly, carbon steel, 7075-T6 aluminum or 304 stainless, with an integral male or female threaded shank.

The ball is hard chrome plated as standard on every series. Bodies and races are typically zinc plated on carbon steel and chromoly series, or black oxide coated on the PCM(-T) and PCYM-T/PCYF-T high-misalignment chromoly series. ALJM(-T)/ALRSM(-T)/ALJF(-T) aluminum bodies are color anodized red or black, with other colors available. SCM-T/SCF-T stainless parts are left in their natural corrosion-resistant finish.

• ALJM(-T)/ALRSM(-T)/ALJF(-T) — 3-piece 7075-T6 aluminum, bore #3–#12
• AM(-T)/AF(-T) — 2-piece self-lubricating nylon/PTFE race, bore #4–#16
• CM(-T)/CF(-T) — 3-piece carbon steel, bore #4–#20
• EXM/EXF — extended-shank carbon steel, self-sealing nylon/PTFE race, bore #4–#20
• HJMX(-T) — heavy-duty 4130 chromoly, high-misalignment, bore 5/8″–1-1/4″
• JM(-T)/JF(-T) — 3-piece carbon steel, bore #3–#20
• JMX(-T)/JFX(-T) — 3-piece 4130 chromoly, bore #3–#20
• PCM(-T) — high-misalignment 4130 chromoly, bore #4–#10
• PCYM-T/PCYF-T — wide-angle high-misalignment chromoly, metric bore M12–M36
• PM/PF — 2-piece carbon steel, self-lubricating nylon race, bore #3–#16
• SCM-T/SCF-T — 304 stainless body with 440C stainless ball, bore #4–#16
• VM/VF — 2-piece carbon steel, sintered bronze oil-impregnated race, bore #4–#16
• XM-C — extended-shank 4130 chromoly, bore #4–#12
• XM-JMX-OS — offset-shank 4130 chromoly for clearance-critical mounting, bore #4–#12
• XM/XF — 2-piece 4130 chromoly, bore #3–#20

Each series has its own spec-selection page with the full size chart and, where available, a cross-reference table.

Off-road and street suspension linkage (tie rods, sway-bar links, control arms), steering linkage, and general industrial and agricultural mechanical linkage are the most common uses. Match material and misalignment rating to your load and environment — see the Shipping & Applications section above for the full range of industries we supply.

Construction, materials and finish options mirror the inch range — the only structural difference is thread standard: metric rod ends use ISO metric threads (e.g. M8×1.25) instead of UNF. Choose metric when your mounting hardware, bracket or OEM assembly is metric-specified.

JMX-M/JFX-M is the metric equivalent of the 3-piece chromoly JMX(-T)/JFX(-T) line; CM-M/CF-M and JM-M/JF-M are the metric carbon steel equivalents of CM(-T)-CF(-T) and JM(-T)-JF(-T); MPM-MPF and MXM-MXF are self-lubricating nylon-race metric series; SCM-MT/SCF-MT is the metric stainless line.

Yes for several series — JM-M/JF-M and JMX-M/JFX-M cross-reference to FK, Aurora and QA1 part numbers on their spec-selection pages. Others (MPM-MPF, SA..TK/SI..TK) don’t currently have a published cross-reference and are matched by dimension instead.

The same material families as inch: carbon steel and 4130 chromoly (zinc plated or PTFE-lined), 440C stainless ball with 304 stainless body (SCM-MT/SCF-MT), self-lubricating nylon race (MPM-MPF, MXM-MXF), and copper-alloy PTFE-lined race (SA..TK/SI..TK).

The same finishes as the inch range: hard chrome plated ball as standard, zinc plating on carbon steel and chromoly bodies/races, and the natural corrosion-resistant finish on stainless SCM-MT/SCF-MT parts.

• CM-M/CF-M — carbon steel, bore M3–M20
• JM-M/JF-M — carbon steel, bore M5–M30
• JMX-M/JFX-M — chromoly steel, bore M5–M30
• MPM/MPF — carbon steel, self-lubricating nylon race, bore M5–M20
• MXM/MXF — chromoly steel, self-lubricating nylon race, bore M5–M50
• SA..TK/SI..TK — carbon steel, copper-alloy PTFE-lined race, bore M5–M35
• SCM-MT/SCF-MT — stainless steel, bore M5–M20

The same use cases as inch rod ends — suspension and steering linkage, and general industrial or agricultural mechanical linkage — for OEM assemblies and export markets that are metric-specified.

A hardened steel ball running directly on a steel race, with no polymer liner. It gives the highest static load capacity and widest temperature range and tolerates shock loading that would cold-flow PTFE, but it needs lubrication — which is why the COM race carries a grease groove and hole.

A PTFE liner bonded to the race gives a low-friction, self-lubricating, maintenance-free surface, with a dry friction coefficient of 0.05 or lower and an operating range of roughly −50°C to +200°C. The trade-off against metal-to-metal is lower peak load and temperature. Add “-T” to a part number for the PTFE-lined version, available on COM-T and COMA-MT.

Its outer race is intentionally split so the ball assembles in and the ring then closes, giving an almost uninterrupted spherical running surface without staking. That construction is why GEZ carries by far the highest static loads in the range — up to 1,146,400 lb — at the cost of a narrower misalignment angle. A 2RS option adds two rubber lip seals per side for sealed-for-life, no-regrease operation.

When the bearing sees saltwater, chemicals, washdown or outdoor weather. COM-SS pairs a 440C stainless ball with a stainless race and a Teflon liner; the race can be specified in 420, 304, 316 or 17-4 PH stainless.

WPB-T is a wide-race, high-misalignment (15°) design. WPB-TG adds a staking groove for press-fit retention. YPB-T extends misalignment further to 24° with an extra-wide race, for the most demanding angular-travel applications.

By bore, outside diameter and width: bore to your pin or bolt, outside diameter to the housing pocket. Then confirm the static radial load on the spec page exceeds your calculated load with a safety factor, and that the misalignment angle covers your worst-case articulation.

Yes. The GE and COM series are widely used in racing suspension assemblies, lower control arms, linkages and stabiliser-bar connections. The PTFE-lined liner’s friction coefficient of 0.05 or lower suits high-speed dynamic motion, and internal testing showed no abnormal noise over one million cycles.

Raw material batch traceability with certificates of compliance for all steel and PTFE inputs; statistical process control during production with real-time monitoring against Cpk targets; standardised inspection by uniformly trained inspectors using calibrated CMMs and profilometers; and process control disciplines built into our ISO 9001:2015 quality management system, emphasising prevention over detection. All bearings undergo 100% inspection before leaving the factory.

Yes — MOQ is 1 piece for samples on the spherical bearing line. Shipping can be arranged DDP by air or sea to major EU and US markets with full customs handling and door-to-door delivery.

The ball is hard chrome plated as standard across the range. The race is oil coated on metal-to-metal COM/COMA series (with zinc plating optional), Teflon/PTFE lined on COM-T, COMA-MT, COM-SS, SLB, WPB-T/WPB-TG and YPB-T, and protective coated on GEZ; GEZ also offers a 2RS rubber-seal option for sealed-for-life operation.

• COM(-T) — metal-to-metal chrome steel, PTFE liner optional, bore 0.165–2 in.
• COM-SS — stainless steel, corrosion-resistant, bore 0.165–1 in.
• COMA-M(T) — metric alloy steel, PTFE liner optional, bore 3–30 mm
• GEC — metric carbon steel, compact cylindrical outer ring, bore 4–30 mm
• GEGC — metric carbon steel, wider outer ring for higher load, bore 4–30 mm
• GEZ — fractured-race chrome steel, highest static load in the range, bore 0.5–5.984 in.
• SLB — self-lubricating PTFE-lined, bore 0.5–2 in.
• WPB-T — wide race, high misalignment (15°), bore 0.25–1 in.
• WPB-TG — staking-groove version of WPB-T for press-fit retention, bore 0.25–1 in.
• YPB-T — extra-wide race, high misalignment (24°), bore 0.25–0.75 in.

CS is metric with spring-clip retention. ES is inch, staked construction with a rubber grommet for vibration and dust damping. QD is inch quick-disconnect, spring-loaded. QI is inch quick-release with a push-button positive lock.

When the linkage must be detached frequently for service, seasonal equipment changes, or adjustment. QD releases via an inner spring mechanism; QI uses a push-button positive lock. Pick the style based on available space and release preference.

Choose ES when the linkage benefits from a rubber grommet for dust sealing, grease retention and vibration damping — common in small-engine control linkage and light equipment.

Housing and ball stud are carbon steel (1020/1045), with silver or yellow zinc plating standard. QD/QI add a stainless steel spring; ES uses a rubber shell/grommet. Stainless or aluminum options can be reviewed for corrosion resistance or OEM programs.

No. A ball joint uses a ball stud and socket for compact ball-and-socket motion; a rod end (heim joint) uses a spherical bearing housed in a bore for higher-load, multi-axis articulation. Use ball joints for compact linkage; use rod ends for higher-load fabricated links.

Series, thread size and pitch, ball diameter, stud style, quick-release requirement (if any), finish, quantity and application environment. Drawings or a sample speed up the review.

A DIN 71802-style angled ball joint connects and guides moving linkage parts where a compact, low-profile ball-stud joint is needed — common in control rods, throttle linkage, actuator linkage and light equipment mechanisms.

A carbon steel 1045 housing and ball stud, retained by a spring clip (CS), a rubber shell/grommet (ES) or a spring-loaded/push-button release mechanism with a stainless steel spring (QD/QI), finished in silver or yellow zinc plating as standard.

• CS — metric, carbon steel, spring-clip retention, thread M10×1.5–M8×1.25, ball diameter 8–22 mm, misalignment 36°
• ES — inch, staked design with rubber grommet for vibration/dust damping, thread 10-32 to 5/8-18
• QD — inch, quick-disconnect, spring-loaded release, thread 10-32 to 1/2-20
• QI — inch, quick-release with push-button positive lock, thread 10-32 to 1/2-20

AIM is also part of this range; contact us with your application for AIM-specific specifications, as we don’t yet have a published spec sheet for it.

A linkage assembly using a ball stud and socket joint at one or both ends to allow angular movement in a compact form — distinct from a heim-joint linkage, which uses a spherical rod end with a through-bore ball instead.

A tie rod end is a steering linkage joint that connects the tie rod or drag link to a steering arm or knuckle while allowing angular movement. In some custom steering systems a heim joint (rod end) can replace it, but the conversion must be engineered correctly — mounting, fasteners, spacers, misalignment and sealing all need to be checked; it is not a universal drop-in.

Tubing cut to length, two welded tube adapters (one right-hand, one left-hand thread), two rod ends of your chosen series and material, and two jam nuts. Specify center-to-center length, rod end type and tubing material for a quote.

They create a turnbuckle effect: rotating the tube lengthens or shortens the assembly while both ends stay connected, enabling on-vehicle alignment or geometry tuning without disassembly.

Yes. Radius rods and sway bar links are built from the same chromoly tubing, rod end and tube adapter components as our linkage rods — send your mounting geometry and load for a custom build. Linkage adjusters (LBA carbon steel, LBAX chromoly, ALBA black-anodized aluminum) provide female-male length adjustment, 3/8″–3/4″ thread, 14 sizes.

Yes. Alongside rod ends, ball joints and tube hardware, we produce custom mounting brackets and weld-in mounts from drawings or a sample, so a complete linkage — rod end, tube, adapter and bracket — can be sourced as one package.

A ball joint with a weld-in shank or stem instead of a threaded stud, so it’s welded directly into a fabricated arm or bracket for a permanent connection point, rather than bolted or threaded in like a catalog ball joint.

Control rods, throttle linkage and actuator linkage in light equipment; off-road and agricultural steering (tie rod ends, drag links); and general industrial automation linkage where a compact ball-and-socket or heim-joint connection is needed.

A clevis rod end uses a fork and pin for single-axis rotation. A rod end bearing uses a spherical ball for multi-axis angular misalignment. Use a clevis when the linkage moves in a fixed plane.

CR indicates right-hand thread and CL indicates left-hand thread. Pairing right-hand and left-hand threaded clevises allows linkage length adjustment by rotating the connecting rod.

Yes. Our G-series metric clevis joints (M4–M36 thread, bore 4–40 mm, 49 sizes) can be supplied with clevis pin, washer, cotter pin or clevis spring-pin options depending on the assembly.

Confirm thread size and hand, clevis pin diameter, fork gap width, mating tab thickness, and load direction. Send a drawing and we can check the key dimensions before quotation.

Carbon steel, chromoly steel, stainless steel, aluminum alloy and titanium, with zinc plating, blackening, hard chrome, powder coating or raw-machined finish. Custom clevis forks, steering clevises, weld-in clevises and yoke ends can be built from drawings, samples or a target specification.

A forked (two-tab) or single-tab body with a cross-bore for a clevis pin, and an integral threaded shank on the opposite end. The pin — often supplied with a washer, cotter pin or spring clip — provides the single-axis pivot; there is no ball or bearing element.

• CLEVIS-CR-CL — carbon steel, zinc plated, right-hand (CR) and left-hand (CL) versions, bore 0.250″–0.500″, male thread 5/16″–3/4″, 12 sizes
• G Clevis Metric — steel, zinc plated, M4–M36 thread, bore 4–40 mm, 49 sizes, DIN 71751-compatible
• Custom Clevis — drawing- or sample-based, any of the materials and finishes above

Anywhere a linkage moves in a single fixed plane rather than needing angular misalignment — control rods, throttle and actuator linkage, steering clevises, and weld-in mounts for fabricated suspension or chassis arms.

It locates the rod end or bearing in its mount, adapts the bore to your bolt size and sets the installed width. High-misalignment versions additionally add angular clearance so the joint tilts further before binding on the mounting tabs.

A tapered spacer — SG in stainless or HMS in zinc-plated carbon steel — that seats in the ball bore and moves the bolt contact face outward, letting the rod end articulate to a greater angle than standard mounting allows. The range covers roughly 44° to 66° depending on size and is used in pairs.

SG/HMS are tapered high-misalignment spacers, chosen when you need extra angle. SCNS/CNS are cone spacers that centre the joint with a 16° to 28° cone face. SCW/CW are straight shouldered mounting spacers for general width control and bore reduction, covering the widest nominal size range (3/16″–3/4″) of the three.

Stainless (SG, SCNS, SCW) for corrosive, outdoor, washdown or marine use. Zinc-plated carbon steel (HMS, CNS, CW) for general use at lower cost. Every part number is available in both.

No. Spacers locate the bearing, adapt the bore and set angle; load capacity is determined by the rod end or bearing itself. Reducing bolt diameter with a spacer makes the bolt the smaller cross-section, so size that against your load too.

Match the spacer bore to your mounting bolt, confirm the total installed stack (spacer + ball + spacer) fits your bracket tab gap, and verify the resulting angle is within what the rod end housing itself permits.

Yes. Send bore, outside diameter, width, material and finish, or a drawing. For custom and OEM programs we also machine 4130/4140/4340 alloy steel, SS304/316/17-4 PH, 6061/7075 aluminum, and on request brass, engineering plastics or titanium.

Zinc plating is standard on carbon steel spacers. Black oxide, powder coating, e-coating and anodizing (for aluminum) are all available, plus zinc-nickel and other specialised coatings where the corrosion specification calls for it.

Mounting rod ends and spherical bearings into off-road suspension brackets and industrial linkage tabs — anywhere the bolt diameter, bracket width or required articulation angle doesn’t match the bearing’s bore or housing directly.

They describe different things. Chromoly is the chemical composition — the 4130 chrome-molybdenum alloy. DOM (Drawn Over Mandrel) is the manufacturing method: cold drawing over a mandrel for tight dimensional tolerance and a smooth bore. SYZ tubing is 4130 chromoly made by mandrel drawing, so both terms apply to the same product.

The standard program covers OD 0.375–1.375 in., wall 0.058–0.125 in., cut to length 6–50 in., across 23 part numbers. Made-to-order capability extends to OD 0.5–3.0 in. and wall 0.049–0.188 in. in lengths up to 6 metres.

Welding heat destroys the bearing heat treatment and melts any PTFE liner, causing seizure and loss of load rating. Always weld a tube adapter first, then thread the rod end in after everything has cooled.

A tube adapter is a stepped weld-in insert with a threaded bore; a weld bung is a flush threaded plug inside the tube end. Adapters are general-purpose; bungs suit minimal-protrusion connections where clearance is tight. Tube adapters are 4130 chromoly (mild steel optional), left-hand marked with grooves, across 73 configurations.

Both are bolt-together collar clamps for joining or bracket-mounting round tube without welding — interlocking-ID clamps key into the tube’s inside diameter for a fixed alignment, OD clamps grip the outside diameter for a slip-fit or rotating mount. Send your tube OD/ID, wall thickness and mounting bolt pattern and we’ll confirm fit before quoting.

A jack screw adjusts the length of a rod-end linkage: thread a rod end onto each male end and turn the body to lengthen or shorten the assembly, then lock with jam nuts. Carbon steel (JSI/JSI-M) suits general use; chromoly (JSX/JSX-M) suits higher-strength demanding linkages. JSI covers inch sizes #3–#16; JSI-M covers M5–M20.

A turnbuckle (hex bar) is a female-female body for larger adjustment ranges, covering 10-32 up to 1-1/4″-12 across 161 configurations and multiple lengths. A jack screw is a compact male-male adjuster. Both use opposing right-hand and left-hand threads and both need jam nuts to lock the setting.

A jam nut locks a rod end or adjuster at its set position so the joint doesn’t back off under vibration. For an adjustable link with opposing thread hands, use a right-hand nut on the right-hand end and a left-hand nut on the left-hand end — SYZ marks left-hand nuts with grooves for quick visual identification. Thread range is 10-32 to 1-1/4″-12, 13 sizes, with an aluminum option for weight-critical assemblies.

Yes. We manufacture from your 2D/3D drawings or a physical sample, with reverse-engineering and prototype support where no drawing exists. Surface treatment options include as-drawn, polished, zinc plating, powder coating and custom coatings, and material certificates plus inspection/hardness/tensile reports are available per batch.

Round is the standard, covering the full size chart. Hex adapters add built-in wrench flats; round-hex combines a round weld shoulder with a hex collar; square suits square tube stock; and fully custom profiles are machined to print. Send a drawing or sample for anything non-standard.

Heavier walls for higher-shock links, lighter walls for moderate loads. Suspension links commonly run 0.120 in. and up depending on vehicle weight and expected abuse; throttle rods, shifter linkage and light control rods are usually fine at 0.058 or 0.095 in. Size against your actual load and rod end thread engagement, not just tube diameter.

A rebuildable, high-misalignment joint for 4-bar suspension. The chromoly ball runs on a replaceable polyurethane or Delrin bushing, so a worn joint is rebuilt rather than replaced. “Johnny Joint” is a common generic name for this style of bushing joint; our housings are forged 4130 heat-treated chromoly, zinc plated, offset 0°–15° across 20 configurations.

Polyurethane is compliant and damps noise and vibration, suiting trail rigs and daily-driven vehicles. Delrin is firmer, lower friction and effectively non-compressing, suiting competition buggies and rock crawlers where geometry must hold precisely.

CBS uses a carbon steel body; XBS uses heat-treated 4130 chromoly for higher strength. Both use a polyurethane bushing over a carbon-steel sleeve. Thread range is 5/8″–1-1/4″, bore 0.500″–0.875″, across 22 sizes.

Polyurethane is firmer and more durable than rubber, resisting deflection and wear better while still damping vibration — the preferred choice for performance suspension over stock rubber.

Yes. Many models feature a serviceable design with replaceable bushings and ball surfaces. Rebuild kits are available separately, and a weld-on rebuildable uniball version plus a polished stainless version for corrosive service are also produced.

Jeep track bars and control arms, rock crawlers, pre-runners and UTV builds on the automotive side; loaders, excavators, dump trucks and heavy-duty suspensions on the industrial/off-highway side, wherever high articulation and vibration resistance are required.

Yes. Forged poly bushings are the bushing element for rebuildable flex joints — match the CBS/XBS size to your existing joint rather than replacing the whole housing.

Match mounting width (7/8″ to 2-5/8″ across the range), bolt diameter (7/16″ to 3/4″) and housing thread (3/4-16, 7/8-14, 1-14 or 1-1/4-12) to your bracket and link. Offset housings of 9° and 10° are available in the SYZ-F001 to SYZ-F004 family for links that run off-axis; the SYZ-F015 to SYZ-F020 family adds a threaded spanner lock nut specifically to make repeated rebuilds easier. Both families use polyurethane or Delrin bushings.

52100 bearing steel, heat-treated, precision-ground, hard chrome plated (440C stainless available). CBL-DP are standard precision replacement balls, 10 sizes, bore 3/16″–3/4″. HMBL are high-misalignment balls shaped to let a rod end articulate to a wider angle, 13 sizes over the same bore range. Combine an HMBL ball with high-misalignment spacers for maximum angle.

A weld-in housing, machined from 4130 chromoly (mild steel option available), that retains a spherical uniball bearing in a suspension or chassis mount, held by an included snap ring. Yes — the cup is the housing only; install your spherical plain bearing into it separately. Bore range 0.250″–0.625″, 10 sizes.

It provides the threaded stud that mates with a female rod end or mounts a rod end/bearing to a bracket. Bore 3/16″–1/2″, UNF thread 10-32 to 1/2-20, 8 sizes, with a stainless option for corrosive environments. Use a jam nut to lock the assembly against vibration.

A rod eye is a solid forged eye with a threaded shank and no bearing, giving a simple single-axis pivot — carbon steel, zinc plated, bore/thread #8–#14 across 6 sizes. A rod end has a spherical bearing for multi-axis articulation. Use a rod eye only where the joint moves on a single axis; if angular misalignment is needed, use a rod end instead.

RER is the right-hand thread rod eye; REL is left-hand. They’re used together — one of each — for adjustable rod assemblies.

Steel balls (CBL-DP/HMBL) and forged poly bushings are the two most common rebuild elements — match the ball bore or bushing size to the original part rather than replacing the full assembly. For a cracked housing or worn race, the full rod end typically needs replacing instead.

Rebuilding or servicing worn rod ends and spherical bearings (steel balls), building custom weld-in suspension or chassis mounts (uniball cups), and providing the threaded mounting hardware — stud or forged eye — that completes a linkage where a housing or spherical bearing alone isn’t enough.

A matched set of the wheel-hub bearing(s) and the corresponding grease seal(s) for a specific application, so the bearing and seal are replaced together rather than sourced separately from different suppliers.

Send the OEM part number or a physical sample and our engineering team will confirm bearing type, bore/OD/width and seal dimensions before quoting, using the same reverse-engineering process we use across the rest of the catalogue.

Yes. Where a standard kit doesn’t match your application, send your drawing, sample or dimensions and we can quote a custom-matched bearing and seal set through the same drawing-based custom production process used for our other product lines.

The same catalogue-wide guideline applies: typically 100–300 pieces per item, with smaller quantities possible on in-stock kits. Contact us with the specific part for an exact number.

If you don’t find the answer you’re looking for here, contact us anytime — our team responds within 24 hours.