Description
ST Fastening #12 X 4 1 2" InsulDrill Metal Roofing Screw, Black Qty. 1,000 (Carton) TL Strap Ties Grade 100 Alloy Steel: Quenched Grade 100 Alloy Steel: Quenched and tempered for high tensile strength and resistance to impact and fatigue This heavy hex nut has coarse threading with 10 TPI (threads per inch) and a Hot Dip Galvanized