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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
The washer has a series of teeth on its inner diameter that bite into the surface of the bolt or nut
- Head: Indented Hex Washer
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
They are easy to install and can be used with a variety of tools
4-40 x 1/2 MS51957-B Phil Pan M/S Coarse Full Thread 300 Series S/S DFAR Black Ox FTFB These 7/8" Extra Heavy DutyThe 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
