Tapping Sheet Metal Screw Flat Head 18-8 Stainless Steel Size #14 Length 2 1/2 In Drive Type Square Driver Size #3 Head Diameter 0.507 In Head Height 0.153 In Head Angle 82 Deg Plain Finish Meets/Exceeds ANSI/ASME B18.6.4 and SAE J933 and IFI Package 25