8-18 x 3 1/2 Square Drive Flat Trim Head Self Drilling Screw Full Thread Zinc D985A4 These bolts are manufactured in

These bolts are manufactured in North America to meet the highest quality standards

The bonded NEO EPDM washer provides a seal against water and air

This washer is designed to be used with bolts or screws to provide a smooth

while the JISB 1111 Class 4

With its exceptional strength

8-18 x 3 1/2 Square Drive Flat Trim Head Self Drilling Screw Full Thread Zinc D985A4 These bolts are manufactured inThese 8 18 x 3 1 2" Square Drive Flat Trim Head Self Drilling Screws are designed for use in a variety of applications, including metal to wood, wood to wood, and metal to metal. They feature a square drive head for easy installation, a flat trim head for a clean finish, and a self drilling tip that eliminates the need for pre drilling. The full thread design provides maximum holding power, and the zinc coating offers excellent corrosion resistance.