Machine, Self Drilling Screws, Socket Screw, Flat Head Screw
Imperial, Metric, Coarse, Metric, Fine, Metric, Inch
3/8"-16, 3/8 in, 1/4"-20, 1/4 in, 1/2"-13, 1/2 in, 1/4 in, 1/4"-28, 1/4 in, 1/4"-20
22 mm, 85 mm, 4 3/8", 45 mm, 25 mm
Stainless Steel, Brass, Titanium, Nylon, Plastic, Steel, Alloy Steel
Low-Profile Standard, Ultra-Low-Profile Standard, Standard, Flat, Flanged Button
Pozidriv, Socket, Slotted, External Square, External Hex