1/4-20 x 3 1/4 Coarse Thread Socket Head Cap Screw Black DFAR NWHP3 They are commonly used in

They are commonly used in metal applications

This 3/8-16 x 3/4 Hex Cap Screw Grade 5 Zinc is a high-quality fastener designed for a variety of applications

as it can tap its own threads into the material

The 3/8-16 refers to the bolt's diameter and thread size

1/4-20 x 3 1/4 Coarse Thread Socket Head Cap Screw Black DFAR NWHP3 They are commonly used in1 4 20 x 3 1 4 Coarse Thread Socket Head Cap Screw Black DFAR is a high strength fastener designed for use in demanding applications. It features a 1 4 20 coarse thread, which provides a secure and vibration resistant connection. The socket head design allows for easy installation and removal with a hex key or Allen wrench. The black finish provides corrosion resistance and a professional appearance. The DFAR (Defense Federal Acquisition Regulation)