Tapping Sheet Metal Screw Oval Head 18-8 Stainless Steel Size #4 Length 1 In Drive Type Phillips Driver Size #1 Head Diameter 0.225 In Head Height 0.104 In Head Angle 82 Deg Plain Finish Meets/Exceeds ANSI/ASME B18.6.4 and SAE J933 and IFI Package 100