4-40 x 3/8 Phillips Flat Thread Cutting Screw Type F Fully Threaded 18-8 Stainless Steel APF188B while the full contour head

while the full contour head ensures a secure and flush fit

It is made of steel and has a zinc-plated green finish

This lock washer is ideal for use in automotive

and have a zinc green finish for corrosion resistance

The wing-shaped design allows for easy tightening and loosening by hand

4-40 x 3/8 Phillips Flat Thread Cutting Screw Type F Fully Threaded 18-8 Stainless Steel APF188B while the full contour headThe 4 40 x 3 8 Phillips Flat Thread Cutting Screw Type F Fully Threaded 18 8 Stainless Steel is a versatile fastener designed for a wide range of applications. It features a 4 40 thread size, a 3 8 inch length, and a Phillips drive type for easy installation. The flat head design sits flush with the surface, providing a clean and professional finish. The thread cutting design creates its own threads as it is driven into the material, ensuring a secure