12-14 x 1 Unslotted Indented Hex Washer Full Thread Self Drilling Screw Black Oxide KWMS2HC it has an indented hex

it has an indented hex head that allows it to be tightened or loosened with a hex key

The Grade 5 rating indicates its strength and ability to withstand heavy loads

This 1/4-20 x 1 Hex Cap Screw Grade 2 Zinc is a high-quality fastener designed for a wide range of applications

The 8-32 x 5/16 Phillips Flat Undercut Machine Screw Fully Threaded Black Zinc is a versatile and durable fastener designed for a wide range of applications

it features a self-drilling tip that eliminates the need for pre-drilling

12-14 x 1 Unslotted Indented Hex Washer Full Thread Self Drilling Screw Black Oxide KWMS2HC it has an indented hexThese 12 14 x 1 Unslotted Indented Hex Washer Full Thread Self Drilling Screws are made of durable steel and feature a black oxide finish for corrosion resistance. They have a full thread design for maximum holding power and a self drilling tip that eliminates the need for pre drilling. The indented hex washer head provides a secure grip and prevents stripping. These screws are ideal for a variety of applications, including metal to metal fastening,