4-40 x 5/16 Coarse Thread Socket Head Cap Screw Black DFAR M6-1.00 They have a flat head

They have a flat head with a Phillips drive and a full body with 2/3 thread

The self-tapping design means that they can be screwed into metal or wood without the need for pre-drilling

It has a diameter of 1/4 inch and a length of 4 1/2 inches

It features a truss head that provides a large bearing surface and prevents the screw from sinking below the surface of the wood

4-40 x 5/16 Coarse Thread Socket Head Cap Screw Black DFAR M6-1.00 They have a flat head4 40 x 5 16 Coarse Thread Socket Head Cap Screw Black DFAR is a high quality fastener designed for use in demanding applications. It is made from durable steel and features a black oxide finish for corrosion resistance. The coarse thread design provides a strong hold, while the socket head allows for easy installation with a hex key. This screw meets the requirements of the Defense Federal Acquisition Regulation Supplement (DFARS), ensuring that it