Self Drilling Screws, Socket Screw, Machine, Flat Head Screw, External Hex
Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
5/16"-18, 5/16 in, 1/2"-20, 1/2 in, 1/4 in, 1/4"-28, 1/2"-13, 1/2 in, 5/16 in, 5/16"-24
40 mm, 130 mm, 4 3/8", 65 mm, 200 mm
Brass, Stainless Steel, Steel, Alloy Steel, Titanium, Nylon, Plastic
Low-Profile Standard, Ultra-Low-Profile Standard, Standard, Flat, Flanged Button
Hex Socket, Phillips, Socket, External Square, Slotted