Machine, Socket Screw, Grub Screw, Self Drilling Screws, Flat Head Screw
Imperial, Metric, Metric, Fine, Metric, Coarse, Inch
M12x1.75, M20x2.5, M2x0.4, M10 x 1.50, M2.5x0.45
5 1/2", 5 1/4", 1", 2 1/4", 55 mm
Brass, Steel, Titanium, Stainless Steel, Nylon, Plastic
Standard, Flanged Standard, Ultra-Low-Profile Standard, Flanged Button, Low-Profile Standard
Cross, Slot, External Square, Slotted, Socket