Countersunk, Machine, Grub Screw, Self Drilling Screws, Flat Head Screw
Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
M4x0.7, M5x0.8, 1/4"-28, 5/16"-32, M8-1.25
5 1/4", 4 7/16", 3/16", 85 mm, 40 mm
Brass, Steel, Alloy Steel, Stainless Steel, Nylon, Plastic, Steel
Flanged Button, Flanged Standard, Flat, Low-Profile Standard, Ultra-Low-Profile Standard
Hex, Phillips, Pozidriv, Slot, Socket