4-40 x 3/8 Slotted Indented Hex Washer Thread Cutting Screw Type F Fully Threaded Zinc M3-.5 The full contour truss head

The full contour truss head provides a large bearing surface for increased strength

The indented hex washer head provides a secure grip and allows for easy installation using a standard hex key

This 8-32 x 3/4 slotted flat machine screw is fully threaded and made of zinc

Its fully threaded shank provides maximum holding power and prevents loosening over time

4-40 x 3/8 Slotted Indented Hex Washer Thread Cutting Screw Type F Fully Threaded Zinc M3-.5 The full contour truss head4 40 x 3 8 Slotted Indented Hex Washer Thread Cutting Screw Type F Fully Threaded Zinc is a type of screw that is used to fasten materials together. It has a 4 40 thread size, which means that there are 40 threads per inch. The screw is 3 8 inches long and has a slotted indented hex washer head. The screw is made of zinc plated steel, which provides resistance to corrosion. It is a fully threaded screw, which means that the threads extend the entire