5/16-18 x 7/8 Coarse Thread Socket Head Cap Screw Black DFAR 8-8 It is made from steel

It is made from steel and has a black phosphate finish that provides corrosion resistance

these screws are ideal for projects requiring a secure hold

They have a hex head with an indented drive for a secure grip

It has a slotted drive and a fillister head

this washer provides exceptional resistance to water

5/16-18 x 7/8 Coarse Thread Socket Head Cap Screw Black DFAR 8-8 It is made from steelThe 5 16 18 x 7 8 Coarse Thread Socket Head Cap Screw Black DFAR is a high strength fastener designed for use in demanding applications. It is made from alloy steel and has a black oxide finish for corrosion resistance. The screw has a 5 16 18 coarse thread and a 7 8 inch length. It has a socket head drive, which allows for easy installation and removal. The screw meets the requirements of the Defense Federal Acquisition Regulation Supplement (DFARS),