Socket Screw, Machine, Self Drilling Screws, Flat Head Screw, External Hex
Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
5/16"-18, 5/16 in, 3/4"-10, 3/4 in, 1/4 in, 1/4"-28, 3/8 in, 3/8"-24, 1/2"-13, 1/2 in
4 3/8", 3 11/16", 2 7/8", 25 mm, 60 mm
Brass, Titanium, Stainless Steel, Nylon, Plastic, Steel, Alloy Steel
Low-Profile Standard, Flanged Standard, Ultra-Low-Profile Standard, Flat, Flanged Button
Cross, Hex Socket, External Square, Slotted, Socket