- Andover, Maine, United States
- US $5.00
- Jan 29th
Steel Top Locknut Jam Nut Package of 10 nuts 1/2" -13 thread Wrench size: 3/4" Grade A Thickness: .323" Uniquely shaped threads provide a vibration resistant friction fit, so the nut stays put. These all metal locknuts withstand higher temperatures than nylon insert locknuts. Top thread section is deformed to create two or three locking zones; they start easily by hand, then must be wrenched into final position; low jam nut profile.