Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
M16x2, #6-40, M10 x 1.50, M1.6x0.35, M2x0.4
5 1/4", 1 3/8", 2 1/8", 2", 18 mm
Steel, Alloy Steel, Brass, Stainless Steel, Titanium, Nylon, Plastic
Low-Profile Standard, Flanged Standard, Button, Ultra-Low-Profile Standard, Flanged Button
Hex, Pozidriv, Socket, External Square, Slotted