1 1/2-6 x 3 1/2 Coarse Thread Socket Head Cap Screw Black DFAR DTRW17DB The screw has a 45

The screw has a 45 degree full thread

while the hex head allows for easy installation and removal using a standard wrench or socket

It is ideal for use in metal

They are designed for use in metal applications and feature a hex washer head for easy driving

which means that the threads cover two-thirds of the screw's length

1 1/2-6 x 3 1/2 Coarse Thread Socket Head Cap Screw Black DFAR DTRW17DB The screw has a 45This 1 1 2 6 x 3 1 2 Coarse Thread Socket Head Cap Screw is made of black steel and meets DFAR (Defense Federal Acquisition Regulation) requirements. It has a 1 1 2 6 coarse thread size, a 3 1 2 inch length, and a socket head drive. The black finish provides corrosion resistance and a professional appearance. This screw is commonly used in industrial, automotive, and construction applications, where a strong and reliable fastener is required. It is