8-18 x 3/8 Square Drive Modified Truss Head Self Drilling Screw Full Thread Zinc NR5 The zinc coating protects against

The zinc coating protects against corrosion

Its black oxide finish provides excellent corrosion resistance

This 1/4" external tooth lock washer is made of durable 18-8 stainless steel

It is made of stainless steel and has a nylon insert that helps to prevent the nut from loosening

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

8-18 x 3/8 Square Drive Modified Truss Head Self Drilling Screw Full Thread Zinc NR5 The zinc coating protects againstThese 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