Socket Screw, Machine, Grub Screw, Self Drilling Screws, Flat Head Screw
Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
3/8"-32, 1/4"-28, 5/16"-32, M33-3.5, M14-2
5 1/2", 5 1/4", 2 1/16", 3 7/8", 2 1/8"
Aluminum, Nylon, Plastic, Steel, Alloy Steel, Brass, Steel
Flanged Button, Flanged Standard, Low-Profile Standard, Flat, Ultra-Low-Profile Standard
Hex Socket, Pozidriv, Hex, Slot, Socket