5/16-20 x 1 1/4 Unslotted Indented Hex Washer Self Tapping Screw Type A Full Threaded Zinc A1942H 9 rating indicates its high

9 rating indicates its high tensile strength and ability to withstand demanding loads

and durability

so it can be used in a wide range of applications

It is also known as a "locknut" or "nylock nut" because of its ability to resist loosening

This 6-32 x 2 1/4 Slotted Pan Machine Screw is fully threaded and made of durable nylon

5/16-20 x 1 1/4 Unslotted Indented Hex Washer Self Tapping Screw Type A Full Threaded Zinc A1942H 9 rating indicates its highThe 5 16 20 x 1 1 4 Unslotted Indented Hex Washer Self Tapping Screw Type A Full Threaded Zinc is a versatile and durable fastener designed for a wide range of applications. Made from high quality steel and coated with a zinc finish for corrosion resistance, this screw features a full thread design that provides maximum holding power. The un slotted indented hex washer head allows for easy installation with a hex key or socket wrench, while the self