Machine, Countersunk, Grub Screw, Self Drilling Screws, Flat Head Screw
Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
M4x0.7, M6x1, 5/16"-32, M16-2, M8-1.25
5 1/4", 3/16", 2 13/16", 18 mm, 6 mm
Brass, Stainless Steel, Nylon, Plastic, Aluminum, Steel
Flanged Standard, Flanged Button, Low-Profile Standard, Flat, Ultra-Low-Profile Standard
Pozidriv, Phillips, Cross, Torx, Socket