1/2-13 x 2 3/4 Coarse Thread Socket Head Cap Screw Black DFAR EPPBZ These high-quality lock washers are

These high-quality lock washers are designed to prevent nuts and bolts from loosening due to vibration or movement

The screw is 1-14 inches long and has a diameter of 1 3/4 inches

With a 2/3 thread length

The 6-lobe flat head allows for easy driving and prevents cam-out

The hex washer head provides a large bearing surface for increased torque and prevents overtightening

1/2-13 x 2 3/4 Coarse Thread Socket Head Cap Screw Black DFAR EPPBZ These high-quality lock washers are1 2 13 x 2 3 4 Coarse Thread Socket Head Cap Screw Black DFAR is a high strength fastener designed for demanding applications. It features a 1 2 13 coarse thread, providing strong holding power in a variety of materials. The 2 3 4 inch length allows for secure fastening in thicker materials. The black oxide finish provides corrosion resistance and a professional appearance. This screw meets DFAR (Defense Federal Acquisition Regulation) requirements,