TRUSS HEAD/Self tapping, Stainless steel, 8R, 3/4 8RX3/4THA pack of 100Cadmium Plated Steel Sheet Metal Screw | 3/4-in, #8 Type A ThreadThese truss head screws are self-tapping screw and machined from cadmium-plated stainless steel. This truss head Phillips tapping screw (Alternate Part# 10RX1THASS)..