4-40 x 3/16 Phillips Flat 100º Machine Screw Fully Threaded Zinc Black 12 The projections on the base

The projections on the base of the nut help to prevent it from spinning when it is tightened

These screws are made of durable zinc-plated steel for corrosion resistance and long-lasting performance

creating a flush finish

Meeting the specifications of ASTM A193 and ASME B16

It is classified as a Class 04 nut

4-40 x 3/16 Phillips Flat 100º Machine Screw Fully Threaded Zinc Black 12 The projections on the baseThese 4 40 x 3 16 Phillips flat 100 machine screws are fully threaded and made of zinc black. They are designed for use in a variety of applications, including electronics, appliances, and furniture. The Phillips flat head provides a secure hold, while the 100 angle allows for easy installation. The zinc black finish provides corrosion resistance and a sleek appearance. These screws are available in a variety of lengths to meet your specific needs.