Socket Screw, Machine, Self Drilling Screws, Flat Head Screw, External Hex
Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
3/8 in, 3/8"-24, 5/8"-11, 5/8 in, 1/2"-13, 1/2 in, 1/4 in, 1/4"-28, 1/2"-20, 1/2 in
3 7/8", 3 11/16", 40 mm, 90 mm, 200 mm
Steel, Titanium, Stainless Steel, Nylon, Plastic, Steel, Alloy Steel
Standard, Low-Profile Standard, Ultra-Low-Profile Standard, Flanged Standard, Flanged Button
Torx, Phillips, External Square, Socket, Slotted