Socket Screw, Self Drilling Screws, Grub Screw, Machine, Flat Head Screw
Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
M20x2.5, 7/8"-9, M10 x 1.50, M1.6x0.35, M2x0.4
5 1/4", 2 1/16", 5/16", 3 9/16", 4 7/16"
Aluminum, Steel, Steel, Alloy Steel, Titanium, Nylon, Plastic
Ultra-Low-Profile Standard, Standard, Flat, Flanged Standard, Low-Profile Standard
Hex, Hex Socket, Slotted, Socket, External Square