5/16-24 x 2 Fine Thread Socket Head Cap Screw Black DFAR 1-8 The washer has head markings

The washer has head markings that indicate the grade of the washer and the material that it is made of

The washer is also helpful in preventing galvanic corrosion between the bolt and the material being fastened

The screw has a diameter of 4 mm and a length of 12 mm

These 8 x 2 3/4-inch flat head square drive deep thread wood screws are made of zinc-plated steel for durability and corrosion resistance

- Pan head sits flush with the surface for a clean finish

5/16-24 x 2 Fine Thread Socket Head Cap Screw Black DFAR 1-8 The washer has head markingsThe 5 16 24 x 2 Fine Thread Socket Head Cap Screw Black DFAR is a high quality fastener designed for demanding applications. It is made of alloy steel and has a black oxide finish for corrosion resistance. The screw has a 5 16 inch diameter, a 24 threads per inch fine thread pitch, and a 2 inch length. The socket head design allows for easy installation and removal with a hex key. This screw meets the requirements of the Defense Federal Acquisition