5/16-12 x 1 1/4 Unslot Indented Hex Washer Self Drilling Screw Full Thread Black Zinc M4-.7 Its ribbed neck design provides

Its ribbed neck design provides superior holding power

They are made of steel and have a zinc bake finish that provides 1000 hours of salt spray protection

they provide maximum holding power in various materials

Its 3/4-inch inner diameter and 1-1/8-inch outer diameter make it suitable for use with a wide range of bolts and screws

reducing the risk of damage to the surface being fastened

5/16-12 x 1 1/4 Unslot Indented Hex Washer Self Drilling Screw Full Thread Black Zinc M4-.7 Its ribbed neck design providesThe 5 16 12 x 1 1 4 Unslot Indented Hex Washer Self Drilling Screw Full Thread Black Zinc is a versatile and durable fastener designed for a wide range of applications. Made from high quality steel, it features a black zinc coating for corrosion resistance and a self drilling tip for easy installation. The indented hex washer head provides a secure grip for tightening, while the full thread design ensures maximum holding power. Ideal for use in metal,