1/2-13 NE Nylon Insert Hex Lock Nut Black Zinc NHSP They are made of hardened

They are made of hardened steel and have a black zinc and bake finish for corrosion resistance

It features a full thread design that provides maximum holding power

This 1/4-20 x 3 1/2 Hex Tap Bolt Grade 8 Fully Threaded Zinc Yellow is a high-quality fastener designed for demanding applications

They are designed to be used with 12-24 threaded screws and have a standard pattern hex shape for easy tightening and loosening with a wrench

1/2-13 NE Nylon Insert Hex Lock Nut Black Zinc NHSP They are made of hardenedThe 1 2 13 NE Nylon Insert Hex Lock Nut Black Zinc is a type of nut that is used to secure bolts and screws in place. It is made of steel and has a black zinc coating for corrosion resistance. The nylon insert helps to prevent the nut from loosening due to vibration or movement. This nut is commonly used in automotive, construction, and other industrial applications.