4-40 x 1/2 MS51957-B Phil Pan M/S Coarse Full Thread 300 Series S/S DFAR Black Ox FTFB They are made of steel

They are made of steel and have a zinc and bake finish for added durability

These 12-14 x 1 3/4-inch Phillips pan self-tapping screws are Type AB screws

The washer has a series of teeth on its inner diameter that bite into the surface of the bolt or nut

which means that it will not damage the surface of the material being fastened

8-11 x 1/2 Square Drive Pan Deep Thread Wood Screw Full Thread Zinc:

4-40 x 1/2 MS51957-B Phil Pan M/S Coarse Full Thread 300 Series S/S DFAR Black Ox FTFB They are made of steelThe 4 40 x 1 2 MS51957 B Phil Pan M S Coarse Full Thread 300 Series S S DFAR Black Ox is a high quality screw designed for use in a variety of applications. The screw is made from 300 series stainless steel, which provides excellent corrosion resistance and durability. The black oxide finish provides additional protection against corrosion and wear. The screw has a coarse thread, which provides a strong hold in a variety of materials. The pan head