FlexLoc® All Metal Self-Locking Nuts
One-piece, all-metal locknut, Full Height Heavy Duty Hex, Full Height Light Hex, Thin Height Heavy-Duty Hex, Thin Height Light Hex, Microsize, Regular Microsize Steel. Stainless Steel, Brass and Aluminum. Casteloc™ Regular Height, Thin Height steel. Flexloc® 8-Pitch Series Steel.Flexithred™ Flush Nuts Stainless Steel.