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

This flat washer is made of zinc-plated steel and has a Type B narrow design

- Thread Type: 2/3 Thread

It has a hex washer head that provides a large bearing surface for increased torque and prevents the screw from slipping

* Food processing machinery

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).