Low profile locking nut for securing rod ends and threaded components. Zinc plated finish for corrosion resistance. Available in multiple thread sizes including 1/2"-20, 3/4"-16, and 1.25"-12. Compatible with threaded rod ends and suspension linkage hardware Works with heim joints and clevis hardware. Dirt King Jam Nuts are low‑profile locking nuts designed to secure threaded rod ends and prevent unwanted rotation in suspension and steering assemblies. These jam nuts are zinc plated to resist corrosion and provide durable locking performance in high‑stress environments. Sold individually, each jam nut offers a reliable locking solution for adjustable linkages, clevises, and other threaded components where secure positioning is critical. Their compact design allows them to be used in tight spaces while ensuring a firm lock on threaded connections. Specification Material: Steel with protective plating Finish: Zinc plated corrosion resistance Thread sizes available: 1/2"-20, 5/8"-18, 3/4"-16, 7/8"-14, 1"-14, 1.25"-12 Installation Thread the jam nut onto the rod or threaded component past the desired position, then lock it against the adjacent nut or shoulder to prevent rotation. Use proper tools and torque according to hardware specifications.