1/4-20 x 1 1/4 Phillips Pan Thread Cutting Screw Type F Fully Threaded Zinc KPPB They have a hex washer

They have a hex washer head and are designed for use in metal applications

This high-strength

These 10 x 3 Six-Lobe (Torx) Bugle Head Coarse Thread Drywall Screw Black Phosphate Particle Board are designed for use in drywall applications

The 4-24 x 1/4 Phillips Truss Thread Cutting Screw Type 25 Fully Threaded Zinc and Baked is a versatile fastener designed for a wide range of applications

which has a sharp point that cuts threads into the material as it is driven in

1/4-20 x 1 1/4 Phillips Pan Thread Cutting Screw Type F Fully Threaded Zinc KPPB They have a hex washer1 4 20 x 1 1 4 Phillips Pan Thread Cutting Screw Type F Fully Threaded Zinc is a type of screw that is used to fasten metal to metal. It has a 1 4 inch diameter and a length of 1 1 4 inches. The screw has a Phillips pan head and is fully threaded. It is made of steel and has a zinc coating for corrosion resistance. The screw is designed to cut its own threads into the metal, making it easy to install.