1/4-20 x 2 Unslotted Indented Hex Thread Cutting Screw Type F Fully Threaded Zinc NWP1 They have a hex washer

They have a hex washer head with an indented drive that provides a secure grip and prevents cam-out

This 1/4-20 x 1 1/4 Unslotted Indented Hex Head Machine Screw is made of 18-8 stainless steel

This 5/16-18 x 1/2 6-Lobe Pan Machine Screw is made of durable zinc and features a fully threaded design for secure fastening

The indented hex design allows for easy driving with a hex key or socket wrench

The full thread design allows for secure fastening in a variety of materials

1/4-20 x 2 Unslotted Indented Hex Thread Cutting Screw Type F Fully Threaded Zinc NWP1 They have a hex washer1 4 20 x 2 Unslotted Indented Hex Thread Cutting Screw Type F Fully Threaded Zinc: Diameter: 1 4 inch Length: 2 inches Thread: 20 threads per inch Drive: Unslotted indented hex Point: Type F Coating: Zinc This screw is designed for use in metal applications. It has a fully threaded shank for maximum holding power. The zinc coating provides corrosion resistance.