5/16-18 x 3 3/4 Coarse Thread Socket Head Cap Screw Black DFAR DTF17YPT The screw is 3 1/4

The screw is 3 1/4 inches long and has a 3/4-10 thread size

from construction and automotive to machinery and equipment

This bolt is Grade 5

The serrated flange washer helps to distribute the load of the screw and prevent it from pulling through the material

The 1/4-10 x 1/2 Unslotted Indent Hexwasher Plastite Alternative 48-2 Full Thread Zinc & Wax is a type of screw that is designed for use in a variety of applications

5/16-18 x 3 3/4 Coarse Thread Socket Head Cap Screw Black DFAR DTF17YPT The screw is 3 1/45 16 18 x 3 3 4 Coarse Thread Socket Head Cap Screw Black DFAR This screw is made of steel and has a black oxide finish. It has a 5 16 18 coarse thread and is 3 3 4 inches long. The head is a socket head, which means it has a hexagonal recess for driving. This screw meets the requirements of the Defense Federal Acquisition Regulation Supplement (DFARS).