Best Seller | ZORO SELECT SLI80311-100P Top Lock Distorted Thread Lock Nut, 5/16"-18, Steel, Lock Nut, Finish Zinc Yellow, Hex Height 17/64 in, Hex Type Standard Hex Top Lock, Hex Width 1/2 in, Lock Type Top Lock Distorted Thread, Material Steel, Material Grade/Class Grade C, Pack Size Small Pack, Rockwell Hardness C24-32, System of... ... more ZORO SELECT SLI80311-100P Top Lock Distorted Thread Lock Nut, 5/16"-18, Steel, Lock Nut, Finish Zinc Yellow, Hex Height 17/64 in, Hex Type Standard Hex Top Lock, Hex Width 1/2 in, Lock Type Top Lock Distorted Thread, Material Steel, Material Grade/Class Grade C, Pack Size Small Pack, Rockwell Hardness C24-32, System of... | | $11.79 go to store |