SCM-T / SCF-T
Stainless · InchCorrosion-resistant 304 stainless body with a hardened 440C stainless ball and a PTFE liner for maintenance-free operation. Cross-ref FK, QA1.
Corrosion-Resistant Stainless + Specialty-Liner & High-Misalignment Rod Ends
Stainless & Specialty
Rod Ends
Choose these series when you need either corrosion-resistant stainless rod ends or non-standard specialty rod ends that solve a specific liner or articulation problem. The stainless range focuses on marine, washdown, food and chemical service, while the specialty range adds high-misalignment, sintered-bronze and molded-nylon race designs for applications where standard carbon-steel or chromoly rod ends are not the best fit.
304 / 440C
Stainless Body / Ball
PTFE Lined
Self-Lubricating
High-Misalign
PCM / PCYM Series
FK · QA1 · Aurora
Cross-Reference
Material Certs Available
Sample to Full-Container
304/440C Corrosion Shield
FK · QA1 · Aurora Cross-Ref
Specialty Geometry Articulation
Overview
How the Range Breaks Down
The range splits into three practical groups, so you can choose by the real requirement first: corrosion resistance, extra misalignment, or low-maintenance specialty race design.
If you need a fixed stud-style attachment instead of a rod end body, see the dedicated Rod End
Studs page.
Stainless Steel (SCM / SCF)
Corrosion resistance is the dominant
requirement. Standard 304 body, 440C ball, and self-lubricating PTFE liners.
High-Misalignment (PCM / PCYM)
Wide articulation angle is the
requirement; these are built from high-strength 4130 chromoly (not stainless).
Specialty Self-Lubricating Races
Low maintenance at moderate load
without paying for stainless. Features sintered bronze and molded nylon race designs.
Specifications
Material & Construction
Detailed alloy specifications and component configurations across all specialty and stainless series:
| Series | Body | Ball | Race / Liner | Thread | Cross-ref |
|---|---|---|---|---|---|
| SCM-T / SCF-T | 304 stainless, PTFE lined | 440C stainless | PTFE | Inch UNF | FK, QA1 |
| SCM-MT / SCF-MT | 304 stainless, PTFE lined | 440C stainless | PTFE | Metric | FK, QA1 |
| PCM(-T) | 4130 chromoly, black oxide, PTFE lined | 52100 (high-misalignment) | PTFE | Inch UNF | QA1 |
| PCYM-T / PCYF-T | 4130 chromoly, black oxide, PTFE lined | 52100 (high-misalignment) | PTFE | Metric | QA1 |
| VM / VF | Carbon steel, yellow zinc plated | 52100 | Sintered bronze, oil-impregnated | Inch UNF | FK, Aurora |
| PM / PF | Carbon steel, yellow zinc plated | 52100 | Injection-molded nylon | Inch UNF | Aurora, QA1, Midwest Control |
| MPM / MPF | Carbon steel, yellow zinc plated | 52100 | Injection-molded reinforced nylon + PTFE | Metric | — |
| SA-TK / SI-TK | Carbon steel, silver zinc plated | 52100 | Copper alloy, PTFE lined | Metric | — |
Complete Range
The 8 Specialty & Stainless Series
SCM-MT / SCF-MT
Stainless · MetricMetric counterpart of the SCM line, combining a 304 stainless housing and 440C steel ball with a PTFE liner for ISO metric linkages. Cross-ref FK, QA1.
PCM(-T)
Chromoly · InchWide-angle articulation male rod ends built with a 4130 chromoly housing, black-oxide coated for corrosion protection. Cross-ref QA1.
PCYM-T / PCYF-T
Chromoly · MetricWide-angle metric high-misalignment series, male & female configurations, PTFE lined, black oxide finish. Cross-ref QA1.
VM / VF
Specialty · BronzeOil-impregnated porous bronze race draws oil to the ball surface under friction for continuous self-lubrication. Cross-ref FK, Aurora.
PM / PF
Specialty · NylonMolded nylon race provides zero-clearance conformal fit, dampens vibration, and prevents metal-to-metal stick-slip. Cross-ref Aurora, QA1, Midwest Control.
MPM / MPF
Specialty · MetricMetric molded-race series using self-lubricating reinforced-nylon and PTFE for maintenance-free automation links.
SA-TK / SI-TK
Specialty · MetricCopper alloy race with a PTFE liner, male (SA) and female (SI) configurations in ISO metric threads.
Choosing the Right Series
Series Selection Guide
KEY SELECTION DECISIONS
When Stainless is Worth It: Continuous moisture or salt spray (plated steel rusts fast), daily washdown (food/pharma), permanent outdoor exposure with no boot, or aesthetic requirements that prohibit rust staining (yachts, architectural). Stainless is corrosion-resistant through the full cross-section, not just a surface coating.
Molded Nylon vs PTFE Liner: A molded nylon race is a thick structural component (giving zero-clearance fit, vibration damping, and long wear life) but has lower max loads; a PTFE liner is a thin low-friction layer that can wear through but supports higher loads on a metal race.
DECISION TREE
Corrosion is the priority? ├─ Inch → SCM-T/SCF-T (304 SS, 440C ball, PTFE) └─ Metric → SCM-MT/SCF-MT Need more articulation angle? ├─ Inch → PCM(-T) └─ Metric / wide-angle → PCYM-T/PCYF-T Need self-lubricating, moderate load (no stainless)? ├─ Bronze race, inch → VM/VF ├─ Molded nylon, inch → PM/PF ; metric → MPM/MPF └─ Copper-PTFE, metric → SA-TK/SI-TK Need a threaded stud / studded rod end? └─ See Rod End Studs page
Exact bore, thread, misalignment angle and load per part number are on each series spec page — confirm there
before ordering. Refer to the Rod End Studs page if your
linkage requires threaded studs.
Applications
Where Specialty & Stainless Rod Ends Perform
Recommended series by operating environment and articulation constraints:
| Application | Series | Why |
|---|---|---|
| Marine steering / deck hardware | SCM/SCF | Full corrosion resistance (304 body + 440C ball + PTFE) |
| Food / pharma / washdown | SCM-T/SCF-T | Stainless, no grease to contaminate |
| Chemical plant linkages | SCM-MT/SCF-MT | Chemical-resistant stainless, metric typical |
| Off-road long-travel suspension | PCYM-T/PCYF-T | Maximum misalignment |
| Custom 4-link (high articulation) | PCM(-T) | Wide angle without binding |
| Test & measurement equipment | PM/PF, MPM/MPF | Molded nylon: zero play, low friction |
| Low-maintenance metric industrial | VM/VF, SA-TK/SI-TK | Self-lubricating races |
| Architectural / outdoor hardware | SCM/SCF | No rust staining |
FAQ
Common Questions
What grade of stainless are SYZ stainless rod ends?
A 304 stainless body with a 440C stainless ball and PTFE liner — corrosion
resistance plus self-lubrication. SCM-T/SCF-T (inch) and SCM-MT/SCF-MT (metric).
When are stainless rod ends worth the premium over zinc-plated steel?
When the joint faces continuous moisture, salt spray, chemical exposure or
washdown — zinc plating delays but doesn’t prevent corrosion and can wear through. Stainless resists
corrosion through its full cross-section.
Are stainless rod ends as strong as steel?
Stainless trades some load margin for corrosion resistance. For maximum
strength in a non-corrosive setting, chromoly is stronger; choose stainless when the environment would
corrode plated steel.
What is a high-misalignment rod end and which series?
One built for a wider angular range before binding — PCM(-T) (inch) and
PCYM-T/PCYF-T (metric), 4130 chromoly with black oxide and PTFE.
What does “self-lubricating” mean across these series?
A race that needs no grease: PTFE liner (stainless, PCM), sintered bronze
oil-impregnated (VM/VF), molded nylon (PM/PF, MPM/MPF), or copper-alloy PTFE (SA-TK).
Molded nylon race vs PTFE liner — which lasts longer?
A molded nylon race is a thick structural component (longer wear life,
vibration damping, zero clearance) but lower max load; a PTFE liner is a thin low-friction layer that can
wear through but supports higher loads on a metal race. Choose by load vs precision needs.
Do you offer a studded rod end?
Studded/threaded-stud parts are on the Rod End
Studs page; this page covers stainless and specialty-liner rod ends.
Are they available in inch and metric?
Yes — inch (SCM-T, PCM, VM, PM) and metric (SCM-MT, PCYM, MPM, SA-TK).
Factory Direct
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