Imperial, Metric, Metric, Fine, Metric, Coarse, Inch
M16x2, M5x0.8, M6, M10 x 1.50, #8-36
7 1/2", 80 mm, 2 7/8", 40 mm, 8 mm
Stainless Steel, Brass, Steel, Nylon, Plastic, Titanium
Low-Profile Standard, Ultra-Low-Profile Standard, Flanged Standard, Flanged Button, Flat
Cross, Hex, Socket, External Square, Slotted