Composed of high-strength alloy steel to provide strong toughness. 【Black Hex Head】 The process of baking varnish provides superior corrosion resistance and exterior protection for 5/16″ hex head with high-torque drive when installed.
Composed of high-strength alloy steel to provide strong toughness. 【Black Hex Head】 The process of baking varnish provides superior corrosion resistance and exterior protection for 5/16″ hex head with high-torque drive when installed.
Composed of high-strength alloy steel to provide strong toughness. 【White Hex Head】 The process of baking varnish provides superior corrosion resistance and exterior protection for 5/16″ hex head with high-torque drive when installed.
Head Type Hex Head Hex Head Hex Head Hex Head Hex Head. 【 Premium Qualiity 】 – These roof screws are made of 1022A carbon steel, which is known for its reliability and strength. It is harder and less likely to break during operation.
