5/16 Machine Screw Washer Zinc 6 The 5/8-11 x 6 Hex

The 5/8-11 x 6 Hex Tap Bolt Low Carbon Fully Threaded Zinc is a versatile and durable fastener designed for a wide range of applications

The bolt has a grade 5 rating

round piece of metal with a hole in the center

and zinc plated

5/16 Machine Screw Washer Zinc 6 The 5/8-11 x 6 HexThis 5 16" Machine Screw Washer is made of zinc plated steel and is designed to be used with 5 16" machine screws. It is a flat washer with a 1 2" outside diameter and a 5 16" inside diameter. The washer helps to distribute the load of the screw and prevent it from damaging the surface of the material being fastened. It is also used to prevent the screw from loosening due to vibration or movement. This washer is zinc plated for corrosion resistance