4-40 x 1/2 MS51957-B Phil Pan M/S Coarse Full Thread 300 Series S/S DFAR Black Ox FTFB The imported origin ensures adherence

The imported origin ensures adherence to strict quality control measures

- Head: Indented Hex Washer

These 7/8" Extra Heavy Duty Split Lock Washers are made in the USA from high-quality steel and are coated with mechanical zinc yellow for corrosion resistance

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

The washer helps to distribute the load of the screw and prevent it from damaging the surface of the material it is being screwed into

4-40 x 1/2 MS51957-B Phil Pan M/S Coarse Full Thread 300 Series S/S DFAR Black Ox FTFB The imported origin ensures adherenceThe 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