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

Its Grade 5 rating indicates its strength and reliability

The screw is corrosion-resistant and has a high tensile strength

These 1/4" High Alloy Regular Split Lock Washers are made from AISI 4037 steel and are zinc plated yellow for corrosion resistance

creating a flush finish

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.