Grub Screw, Socket Screw, Machine, Self Drilling Screws, Flat Head Screw
Imperial, Metric, Coarse, Metric, Fine, Metric, Inch
1/4"-20, M20x2.5, M10 x 1.50, M5x0.8, M1.6x0.35
5/16", 1/2", 20 mm, 3 1/8", 18 mm
Steel, Brass, Steel, Alloy Steel, Nylon, Plastic, Titanium
Flanged Standard, Ultra-Low-Profile Standard, Low-Profile Standard, Standard, Flat
Torx, Hex Socket, External Square, Slotted, Socket