Machine, Self Drilling Screws, Socket Screw, Flat Head Screw
Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
5/8"-11, 5/8 in, 1/4"-20, 1/4 in, 3/8"-16, 3/8 in, 1/4 in, 1/4"-28, 1/2"-13, 1/2 in
1 9/16", 2 1/4", 160 mm, 22 mm, 3 11/16"
Stainless Steel, Steel, Titanium, Nylon, Plastic, Steel, Alloy Steel
Ultra-Low-Profile Standard, Standard, Button, Flanged Button, Flat
Torx, Socket, External Square, Slotted, External Hex