1/2-13 x 7/8 Serrated Hex Flanged Washer Full Thread Screw Case Hard Zinc MDSPP They are designed to be

They are designed to be used with 10-24 threaded screws and have a hex shape for easy tightening and loosening with a wrench

and the self-tapping tip makes installation easy

It is available in a standard height and is suitable for use with 1 1/8-12 bolts

These 12-11 x 1/2" Type A fully threaded self-tapping screws feature an indented hex slotted drive and are made of zinc-plated steel

1/2-13 x 7/8 Serrated Hex Flanged Washer Full Thread Screw Case Hard Zinc MDSPP They are designed to beThe 1 2 13 x 7 8 Serrated Hex Flanged Washer Full Thread Screw Case Hard Zinc is a versatile and durable fastener designed for a wide range of applications. It features a 1 2 13 thread size, a 7 8 inch head diameter, and a full thread length. The serrated hex flange washer head provides a secure grip and prevents the screw from loosening due to vibration or movement. The case hardened zinc plating offers excellent corrosion resistance and durability,