12-24 x 1/2 Unslotted Indented Hex Washer Thread Cutting Screw Type F Fully Threaded Zinc An 3/4-10 NTE which include a specific head

which include a specific head style

while the indented head allows for a flush fit with the surface

which makes it strong and durable

These 4 x 1/4 Round Head Type U Drive Screws are made of durable steel and feature a black oxide finish for corrosion resistance

These 3/8-12 x 1 1/4 Unslotted Indent Hex Washer Self Drill Screws are made of 18-8 stainless steel

12-24 x 1/2 Unslotted Indented Hex Washer Thread Cutting Screw Type F Fully Threaded Zinc An 3/4-10 NTE which include a specific head12 24 x 1 2 Unslotted Indented Hex Washer Thread Cutting Screw Type F Fully Threaded Zinc Plated: Type F thread cutting screws are designed for use in metal and are not intended for use in wood or plastic. The unthreaded portion of the screw is fully threaded, providing maximum holding power. The indented hex washer head provides a large bearing surface and prevents the screw from slipping. The zinc plating provides corrosion resistance and a clean,