Steering and Suspension Linkages
Linkage rods and Heim-joint assemblies provide adjustable, serviceable connections for steering, suspension, and chassis systems. Match the joint type, thread, spacers, and alignment to the travel of the mechanism.
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PM/PF Injection Rod Ends Details
| BALL | RACE | BODY | |||||
| 52100 BEARING STEEL | INJECTION | CARBON STEEL | |||||
| PRECISION GROUND | MOLDED | YELLOW ZINC PLATED | |||||
| HEAT TREATED | REINFORCED | ||||||
| HARD CHROME PLATED | NYLON with PTFE | ||||||
Type: Male/Female
Thread: Right/Left
Regular Size: Male Type from PM3-12/Female Type from PF3-12
Inch Size and Metric Size Both Available
Custom Option: Material/Size/Stud Configurations



PM/PF Injection Rod Ends Size Chart
| PM..G ROD END | B | D | W | T | BALL | AM | N | CM | a° | STATIC | APPROX | |
| RIGHT | LEFT | DIA. | DIA. | WIDTH | WIDTH | DIA. | LENGTH | THREAD | LENGTH | MIS. | RADIAL | WEIGHT |
| HAND | HAND | +0.0025 | +0.010 | +0.005 | REF. | REF. | +0.015 | UNF | +0.062 | ANGLE | LOAD | (LBS) |
| PART NO. | PART NO. | -0.0005 | -0.010 | -0.005 | -0.015 | 3A | -0.031 | REF. | (LBS) | |||
| PMR-3 | PML-3 | 0.1900 | 0.625 | 0.312 | 0.250 | 0.437 | 1.250 | 10-32 | 0.750 | 13 | 1,174 | 0.03 |
| PMR-4 | PML-4 | 0.2500 | 0.750 | 0.375 | 0.281 | 0.500 | 1.562 | 1/4-28 | 1.000 | 16 | 2,168 | 0.04 |
| PMR-5 | PML-5 | 0.3125 | 0.875 | 0.437 | 0.344 | 0.625 | 1.875 | 5/16-24 | 1.250 | 14 | 2,796 | 0.07 |
| PMR-6 | PML-6 | 0.3750 | 1.000 | 0.500 | 0.406 | 0.719 | 1.938 | 3/8-24 | 1.250 | 12 | 4,012 | 0.11 |
| PMR-7 | PML-7 | 0.4375 | 1.125 | 0.562 | 0.437 | 0.812 | 2.125 | 7/16-20 | 1.375 | 14 | 4,244 | 0.16 |
| PMR-8 | PML-8 | 0.5000 | 1.312 | 0.625 | 0.500 | 0.937 | 2.438 | 1/2-20 | 1.500 | 12 | 6,453 | 0.25 |
| PMR-10 | PML-10 | 0.6250 | 1.500 | 0.750 | 0.562 | 1.125 | 2.625 | 5/8-18 | 1.625 | 16 | 7,400 | 0.38 |
| PMR-12 | PML-12 | 0.7500 | 1.750 | 0.875 | 0.687 | 1.312 | 2.875 | 3/4-16 | 1.750 | 14 | 10,937 | 0.60 |
| PF..G ROD END | B | D | W | T | BALL | AF | N | CF | a° | STATIC | APPROX | |
| PFR-3 | PFL-3 | 0.1900 | 0.625 | 0.312 | 0.250 | 0.437 | 1.062 | 10-32 | 0.500 | 13 | 1,220 | 0.04 |
| PFR-4 | PFL-4 | 0.2500 | 0.750 | 0.375 | 0.281 | 0.500 | 1.312 | 1/4-28 | 0.687 | 16 | 2,500 | 0.06 |
| PFR-5 | PFL-5 | 0.3125 | 0.875 | 0.437 | 0.344 | 0.625 | 1.375 | 5/16-24 | 0.687 | 14 | 2,753 | 0.09 |
| PFR-6 | PFL-6 | 0.3750 | 1.000 | 0.500 | 0.406 | 0.719 | 1.625 | 3/8-24 | 0.812 | 12 | 3,950 | 0.15 |
| PFR-7 | PFL-7 | 0.4375 | 1.125 | 0.562 | 0.437 | 0.812 | 1.812 | 7/16-20 | 0.937 | 14 | 4,300 | 0.2 |
| PFR-8 | PFL-8 | 0.5000 | 1.312 | 0.625 | 0.500 | 0.937 | 2.125 | 1/2-20 | 1.062 | 12 | 6,453 | 0.33 |
| PFR-10 | PFL-10 | 0.6250 | 1.500 | 0.750 | 0.562 | 1.125 | 2.500 | 5/8-18 | 1.375 | 16 | 7,400 | 0.48 |
| PFR-12 | PFL-12 | 0.7500 | 1.750 | 0.875 | 0.687 | 1.312 | 2.875 | 3/4-16 | 1.562 | 14 | 10,937 | 0.72 |
Custom Service Process: Select Similar Product — Confirm MOQ — Send Inquiry — Send your Drawings or Samples — Customization
Select product (If your product is not on our website, select a similar product) — Confirm the quantity you need meet up with our MOQ — Send inquiry with your Drawings or Samples — We will reply to you and confirm details — Send details to our factory and start customization












Material certifications verified before machining and assembly begin.
Critical dimensions are checked against drawing or sample requirements.
Visual inspection confirms finish quality, burr removal, and assembly cleanliness.
Inspection reports and production traceability can be provided on request.
Share your quantity, delivery timing, drawing reference, or any customization requirement. We respond within 24 hours.