8 x 1 5/8 Square Recess Drive Bugle Head Coarse Thread Drywall Screw Black Phosphate NWP22M They meet or exceed ASTM

They meet or exceed ASTM specifications for quality and durability

This 5/8-11 x 3 1/2 hex cap screw is made of 316 stainless steel

these screws withstand harsh outdoor elements

this bolt is ideal for a wide range of applications

and a thread size of 11 threads per inch

8 x 1 5/8 Square Recess Drive Bugle Head Coarse Thread Drywall Screw Black Phosphate NWP22M They meet or exceed ASTMThese 8 x 1 5 8 square recess drive bugle head coarse thread drywall screws are designed for use in drywall applications. They feature a black phosphate finish for corrosion resistance and a square recess drive for easy installation. The bugle head provides a flush finish, while the coarse thread ensures a secure hold. These screws are perfect for hanging drywall, attaching fixtures, and other general construction projects.