5/8-11 x 2 1/4 Coarse Thread Socket Head Cap Screw Black DFAR MPRB 1/4-20 x 1 Six Lobe

1/4-20 x 1 Six Lobe Flat Thread Cutting Screw Type F Fully Threaded Zinc:

The 4-40 x 1/4 Phil Pan Taptite Alternative Thread Rolling Screw Fully Thread Black Oxide & Wax is a versatile and durable fastener designed for a wide range of applications

They have a full thread and a full contour truss head

The fully threaded shaft provides a strong hold in a variety of materials

while the lobe pan head offers a secure grip for driving

5/8-11 x 2 1/4 Coarse Thread Socket Head Cap Screw Black DFAR MPRB 1/4-20 x 1 Six LobeThe 5 8 11 x 2 1 4 Coarse Thread Socket Head Cap Screw Black DFAR is a high quality fastener designed to meet the demanding requirements of aerospace and defense applications. It is manufactured from alloy steel and features a black oxide finish for corrosion resistance. The coarse thread design provides a secure hold in a variety of materials, and the socket head allows for easy installation and removal. This screw meets the requirements of DFARS