Machine, Self Drilling Screws, Socket Screw, Flat Head Screw, External Hex
Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
9/16"-12, 9/16 in, 7/8"-9, 7/8 in, 5/8"-11, 5/8 in, 1/4"-20, 1/4 in, 5/16 in, 5/16"-24
100 mm, 80 mm, 3 11/16", 70 mm, 55 mm
Stainless Steel, Steel, Alloy Steel, Steel, Titanium, Nylon, Plastic
Flat, Low-Profile Standard, Button, Ultra-Low-Profile Standard, Flanged Button
Hex, Pozidriv, Socket, Slotted, External Square