M3 x 0.5 - Nylon Insert Lock Nut - 304 Stainless Steel - DIN 985 - Pkg of 100

10-32 Nylon Insert Hex Lock Nut Black Zinc. Hex head screws are designed to be driven by a wrench or pneumatic tools.

M6 Low Carbon Steel T- Nut (4-Prong) - Zinc Plated - Package Quantity 100

Lock nuts remain stiff when placed on bolts. They are useful in applications where vibration may cause a fastener to come loose. Lock nuts are also able to be used to keep other nuts in place by threading over them.

1/4-20 NTE Thin Pattern Nylon Insert Hex Lock Nut 18 8 Stainless Steel. Hex head screws are designed to be driven by a wrench or pneumatic tools.

Nylon Lock Nuts contain a nylon collar insert to help prevent turning. The insert deforms elastically over screw threads. The nylon insert applies a compressive force against the screw to lock the nut.