Set, Self Drilling Screws, Machine, Socket Screw, Flat Head Screw
Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
M2.5x0.45, M20x2.5, M16x2, M10 x 1.50, 1/4"-20
300 mm, 5 1/4", 5/16", 85 mm, 120 mm
Brass, Stainless Steel, Steel, Alloy Steel, Nylon, Plastic, Titanium
Button, Low-Profile Standard, Ultra-Low-Profile Standard, Flanged Button, Flat
Hex, Phillips, Socket, Slotted, External Square