Fastener Pin With Washer, For Use With G1038003, G1904506, G0892053, G1818555 Powder Tools, Length 1 In, Head Dia 0.3 In, Shank Dia 0.145 In, 1060-1065 Steel With Core Hardness Of 52-56 Rc Grade, For Fastening Hard Concrete And Hard Steel To Increase Bearing Surface On Material Being Fastened, Package Quantity 100