Machine, Self Drilling Screws, Grub Screw, Flat Head Screw, Socket Screw
Imperial, Metric, Metric, Coarse, Metric, Fine, Inch
M14x2, M2.5x0.45, M20x2.5, M16x2, M10 x 1.50
5 1/4", 3/8", 3 9/16", 2 1/8", 5/16"
Brass, Steel, Steel, Alloy Steel, Titanium, Nylon, Plastic
Flanged Button, Low-Profile Standard, Flanged Standard, Flat, Ultra-Low-Profile Standard
Phillips, Torx, External Square, Socket, Slotted