Self-Drilling Screw, 1/4 x 4 in, Climaseal Steel Hex Head External Hex Drive, 50 PK
5 in, Head Width 0.18 in, Washer Outside Diameter 0.Self Drilling Screw, Finish Climaseal, Material Steel, Head Type Hex Washer, Drive External Hex, Screw Size 1/4 In.313 in.