8-18 x 3/8 Square Drive Modified Truss Head Self Drilling Screw Full Thread Zinc NR5 This 1 1/8-12 slotted hex

This 1 1/8-12 slotted hex nut is made of durable zinc-plated steel for corrosion resistance

The zinc coating protects against corrosion

this screw is perfect for projects such as roofing

It features a nylon insert that provides a secure lock

8-18 x 3/8 Square Drive Modified Truss Head Self Drilling Screw Full Thread Zinc NR5 This 1 1/8-12 slotted hexThese 8 18 x 3 8" square drive modified truss head self drilling screws are full thread and zinc plated. They are designed for use in metal applications and feature a sharp point that drills its own hole, eliminating the need for pre drilling. The square drive head provides a secure grip for driving, and the modified truss head offers a low profile and a finished appearance. These screws are ideal for use in a variety of applications, including