1/4-28 x 7/8 Fine Thread Socket Head Cap Screw Black DFAR A563D With its compact size and

With its compact size and 3/8-inch length

which helps to distribute the load and prevent the fastener from loosening

and are self-tapping

while the oil finish helps to prevent rust and seizing

ensuring a flush and professional-looking finish

1/4-28 x 7/8 Fine Thread Socket Head Cap Screw Black DFAR A563D With its compact size and1 4 28 x 7 8 Fine Thread Socket Head Cap Screw Black DFAR This 1 4 28 x 7 8 Fine Thread Socket Head Cap Screw is made of steel and has a black oxide finish. It is a DFAR compliant screw, meaning that it meets the requirements of the Defense Federal Acquisition Regulation Supplement. The screw has a socket head, which allows it to be driven with a hex key. It has a fine thread, which means that it has more threads per inch than a coarse thread screw.