3/8-16 x 2 1/2 Coarse Thread Socket Head Cap Screw Black DFAR MSPN 5/16" Medium Split Lock Washer

5/16" Medium Split Lock Washer Hot Dip Galvanized is a type of washer used to prevent nuts and bolts from loosening due to vibration or movement

and UV rays

The washer's large diameter provides ample support for fasteners

while the socket head allows for easy installation and removal

3/8-16 x 2 1/2 Coarse Thread Socket Head Cap Screw Black DFAR MSPN 5/16" Medium Split Lock WasherThis 3 8 16 x 2 1 2 Coarse Thread Socket Head Cap Screw is made of steel and has a black DFAR finish. It has a hex drive and a fully threaded body. The screw is designed for use in high strength applications and is compliant with the Defense Federal Acquisition Regulation Supplement (DFARS). It is commonly used in aerospace, automotive, and other industries where high performance fasteners are required.