Self-Drilling Screw, 1/4 in x 7/8 in, Climaseal Steel Flange Hex Head External Hex Drive

Self-Drilling Screw, Finish Climaseal(TM), Material Steel, Head Type Hex Washer, Drive External Hex, Screw Size 1/4 in, Fastener Length 7/8 in, Drill Point Size 1, Drill Tip Length 7/16 in, Maximum Drilling Thickness 0.095 in, Washer Outside Diameter 0.42 in, Drive Size 5/16 in, System of Measurement Inch, Maximum Head Width 5/16 in, Minimum Head Width Not Applicable, Maximum Head Height 3/16 in, Minimum Head Height Not Applicable