Self Drilling Screw, Finish Plain, Material 410 Stainless Steel, Head Type Hex Washer, Drive External Hex, Screw Size #8, Fastener Length 1 1/2 in, Drill Point Size 2, Drill Tip Length 7/32 in, Maximum Drilling Thickness 0.068 in, Head Width 0.25 in, Head Height 0.11 in, Washer Outside Diameter 0.348 in, Drive Size 1/4 in, Pack Size Small, System of Measurement Inch, Maximum Head Width 0.25 in, Minimum Head Width 0.244 in, Maximum Head Height 0.11 in, Minimum Head Height 0.096 in