Every adjustable rod built with 3/4" rod ends needs a jam nut on each joint, and this is the one: 3/4"-16 fine thread, zinc plated, in your choice of right-hand or left-hand direction. Run it up the rod end shank and tighten it against the tube adapter, and a tie rod, track bar link, or light upper arm holds its set length no matter how hard the suspension cycles. The fine 16 TPI pitch also means you can fine-tune length in small increments before locking everything down.
Features
- Fits 3/4" rod ends with 16 TPI fine thread
- Zinc plated to resist corrosion on exposed hardware
- Jams against a threaded tube adapter to positively lock rod-end length
- Left-hand (reverse, HW0001) and right-hand (standard, HW0020) options
- Fine pitch gives precise length and alignment adjustment
- Finishes a DIY 3/4" tie rod, track bar link, or link arm correctly
This is universal fabrication hardware, not a vehicle-specific part — buy the hand that matches each rod end, remembering that an adjustable assembly usually runs one right-hand and one left-hand joint. It pairs directly with the 3/4"-16 TPI Tube Adapter; larger joints call for the 7/8"-14 TPI or 1.25"-12 TPI jam nuts. More link-building parts are in suspension components.
Jam Nut 3/4"-16 TPI FAQs
What size rod end does this jam nut fit?
It fits 3/4" rod ends and heim joints with a 16 TPI fine thread — the size commonly used on lighter links, track bar ends, and small steering rods. Verify both the diameter and the thread pitch on your rod end before ordering.
Do I need one nut or two per link?
One per rod end, so two for a typical adjustable rod. Because an adjustable assembly usually pairs a right-hand joint with a left-hand joint, order one nut of each hand and match each to the thread direction on its end.
When do I tighten the jam nut?
Last. Set the link or rod to final length, confirm alignment or toe, then run each jam nut down against its tube adapter and torque it firm. Re-check the nuts after the first few trail runs — a loose jam nut is the first warning before a joint starts creeping.
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