Imperial Aerospace Locknut (K-Nut) UNF 1/4" 5/16" 3/8" Motorsport lightweight

Simply choose your thread size from the menus available Thread - UNF Thread sizes - 1/4"-28, 5/16"-24, 3/8"-24 Type - Genuine K-NUT for Motorsport/ Aerospace. These are small, lightweight, self locking, extremely strong and are used where space...