1/2 USS Flat Washer Black Oxide 1/8 PIPE and a self-tapping thread that

and a self-tapping thread that creates its own hole as it is driven in

8 grade indicates its high tensile strength

They are coated with yellow zinc for corrosion resistance

these bolts are suitable for both indoor and outdoor use

It features external teeth that bite into the mating surface

1/2 USS Flat Washer Black Oxide 1/8 PIPE and a self-tapping thread thatThis 1 2" USS flat washer is made of durable steel and features a black oxide finish for corrosion resistance. It is designed to evenly distribute the load of a bolt or screw, preventing damage to the surface being fastened. Its flat design ensures a flush fit against the surface, while the chamfered edges provide a smooth transition for the bolt or screw. This washer is suitable for a wide range of applications, including automotive, construction,