8-18 x 5/8 Square Drive Modified Truss Head Self Drilling Screw Full Thread Zinc MCP flat surface ensures a secure

flat surface ensures a secure and even fit

Ensure secure fastening with our durable 10-24 K lock nuts

and the undercut design provides a secure hold in wood or other materials

while the fully threaded shaft provides secure engagement with the mating material

8-18 x 5/8 Square Drive Modified Truss Head Self Drilling Screw Full Thread Zinc MCP flat surface ensures a secureThese 8 18 x 5 8" square drive modified truss head self drilling screws are full thread and zinc plated. They are designed for use in metal applications and have a sharp point that drills its own hole. The square drive head provides a secure grip for driving, and the zinc plating helps to resist corrosion. These screws are ideal for use in a variety of applications, including roofing, siding, and fencing.