Socket Screw, Machine, Grub Screw, Self Drilling Screws, Flat Head Screw
Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
M2x0.4, M2.5x0.45, 1/4"-20, M10 x 1.50, M1.6x0.35
5 1/4", 4 1/2", 40 mm, 1 7/8", 3 11/16"
Brass, Steel, Titanium, Nylon, Plastic, Steel, Alloy Steel
Low-Profile Standard, Ultra-Low-Profile Standard, Flat, Flanged Button, Standard
Cross, Hex Socket, Socket, External Square, Slotted