Prime-Line 9118861 K-Lock Nuts With External Tooth Washer, 1/4 inch-20, Zinc Plated Steel
- Hex nut with a built in free spinning external tooth lock washer.
- Teeth on lock washer help to lock nut into place.
- Screws onto a bolt, cap screw or threaded rod of the same thread size.
- Thread Type: Coarse, Thread Class: UNC-2B.