Axiom Supply Heavy Duty Heim Joint | 3/4"-16 Thread | Chromoly Body | Kevlar-Lined | Right-Hand | Zinc Plated | UTV Suspension & Steering | SKU JMXR12T-F1-XXVEZ
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Before ordering, verify your vehicle details, current setup, and SKU with OFAS fitment support so your upgrade matches your build.
Shipping & Delivery
Free shipping is available within the lower 48 U.S. states. Large or heavy items may ship by freight, and delivery timing can vary by warehouse, carrier, and product availability.
Fitment, Shipping & Product Support
The Axiom Heavy Duty Heim Joint (SKU JMXR12T-F1-XXVEZ) is a high-strength spherical rod end for UTV suspension and steering linkage applications requiring a 3/4" shank diameter, 3/4" bore, and 3/4"-16 right-hand thread. Heat-treated steel chromoly body with Kevlar-lined internals reduces metal-on-metal wear and noise compared to a standard bare-metal joint. 3-piece rod end construction for high strength. Zinc-plated finish resists corrosion in mud, sand, rock, and trail environments. Heim joints allow precise multi-axis articulation at suspension and steering pivot points — worn or damaged joints introduce play that causes steering wander, vibration, and accelerated wear on surrounding components. Sold individually — order the quantity required for your application. Jam nut not included; must be purchased separately and torqued after adjustment.
Component Specifications
| Spec | Detail |
|---|---|
| SKU / Part Number | JMXR12T-F1-XXVEZ |
| Brand | Axiom Supply |
| Type | Spherical rod end (heim joint) — 3-piece construction |
| Shank Diameter | 3/4" |
| Bore Size | 3/4" |
| Thread | 3/4"-16, right-hand |
| Body | Chromoly steel, heat-treated |
| Internal Liner | Kevlar-lined |
| Finish | Zinc plated — corrosion-resistant |
| Jam Nut Included | No — sold separately |
| Quantity | Single (sold individually) |
| Application | UTV suspension arms, steering linkage, long-travel suspension, custom fabrication |
| Sold As | Each |
What Is and Is NOT Included
| Item | Included |
|---|---|
| 1x heim joint, 3/4" x 3/4", RH thread | ✓ |
| Jam nut | ✗ NOT included — required for proper installation, purchase separately |
| Grease | ✗ NOT included — apply at installation if joint has a grease fitting |
Heim Joint Size Guide
| Size | SKU |
|---|---|
| 5/8" x 5/8" Right-Hand Thread | JMXR10T-F1 |
| 3/4" x 3/4" Right-Hand Thread, Zinc Plated (this listing) | JMXR12T-F1-XXVEZ |
Symptoms of a Worn Heim Joint
- Steering wander or vague on-center feel
- Clunking or knocking from suspension or steering linkage over rough terrain
- Visible play or slop in the joint when checked by hand
- Uneven or accelerated tire wear
- Vibration through the steering wheel or chassis at speed
Verified Fitment
| Application | Status |
|---|---|
| UTV suspension/steering linkage requiring 3/4" x 3/4", 3/4"-16 RH thread | ✓ |
| Applications requiring left-hand thread | ✗ Not interchangeable — order the LH equivalent |
| Applications requiring 5/8" x 5/8" | ✗ Different size — order JMXR10T-F1 |
| Metric thread applications | ✗ Confirm compatibility before ordering |
Critical Compatibility
| Configuration | Notes |
|---|---|
| Left-hand thread applications | Not interchangeable with this right-hand part — installing the wrong direction can back out under load |
| Missing or improperly torqued jam nut | The joint will back out under vibration and load — never operate without one properly installed |
| Incorrect shank/bore dimensions | Will not fit correctly and can cause joint failure under load — verify exact dimensions before ordering |
Common Questions
What's the actual thread pitch?
3/4"-16 — 16 threads per inch, right-hand direction.
Does this come with a jam nut?
No. A jam nut is required to secure the joint after adjustment and must be purchased separately.
What's the internal liner made of?
Kevlar — this reduces metal-on-metal wear and noise compared to a standard bare-metal heim joint, while still handling high-load, high-impact off-road use.
What if I need 5/8" instead of 3/4"?
Order JMXR10T-F1, the 5/8" x 5/8" right-hand thread version.
The Obsidian Take
The JMXR12T-F1-XXVEZ is for the UTV builder or repairer who needs a genuine heavy-duty replacement heim joint — chromoly body, Kevlar-lined internals, 3-piece construction, zinc plated for trail durability. Not a generic bare-metal joint; the Kevlar lining is a real upgrade for noise and wear resistance under sustained off-road impact.
Confirm your exact thread direction (right-hand) and dimensions (3/4" x 3/4") before ordering, and budget for a jam nut separately — this joint will back out under load without one properly torqued.
Non-Returnable Notice: Installed steering and suspension components are non-returnable. Confirm thread direction and dimensions match your application before ordering.
Manufacturer Data Disclaimer: Specifications sourced from Axiom Supply and authorized distributor documentation. Input data's stated weight (7 lbs) was not independently confirmed and has been removed as implausible for this part size. Obsidian Forged Auto Supply is an authorized Axiom Supply dealer. Manufacturer specifications are subject to change without notice.