3/8 Machine Screw Washer Zinc NR8BK 8 grade indicates a tensile

8 grade indicates a tensile strength of 800 MPa

it features a hex head for easy tightening and a fully threaded body for maximum holding power

and other hardware to wood surfaces

These washers have a serrated outer edge that bites into the surface of the nut or bolt

It is commonly used for securing hinges

3/8 Machine Screw Washer Zinc NR8BK 8 grade indicates a tensileThis 3 8" machine screw washer is made of zinc plated steel, providing durability and resistance to corrosion. Its primary function is to distribute the load of a screw or bolt evenly over a surface, preventing damage to the material being fastened. The washer's flat surface ensures a snug fit against the material, while its beveled edge allows for easy insertion into countersunk holes. Ideal for a wide range of applications, including automotive,