1/4-20 x 1 1/2 Slotted Indent Hex Washer Thread Cutting Screw Type 23 Full Thread Black Oxide 08NCUP188 They feature a black phosphate

They feature a black phosphate finish for added durability and corrosion resistance

It is designed to be used with bolts that have a 7/8-inch diameter

The unslotted hex washer head provides a secure grip

The screw is 5 1/2 inches long and has a diameter of 1 1/4-7 inches

These 10-16 x 2 1/2" square drive flat head fully threaded self-drilling screws are made of zinc and bake

1/4-20 x 1 1/2 Slotted Indent Hex Washer Thread Cutting Screw Type 23 Full Thread Black Oxide 08NCUP188 They feature a black phosphateThe 1 4 20 x 1 1 2 Slotted Indent Hex Washer Thread Cutting Screw Type 23 Full Thread Black Oxide is a versatile fastener designed for various applications. It features a 1 4 inch diameter and a length of 1 1 2 inches. The slotted indent hex washer head provides a secure grip for tightening, while the thread cutting design allows the screw to create its own threads in metal or plastic materials. The full thread design ensures maximum holding power,