Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
M1.6x0.35, M10x1.5, M16x2, #6-40, M10 x 1.50
3", 60 mm, 160 mm, 200 mm, 18 mm
Brass, Stainless Steel, Steel, Nylon, Plastic, Titanium
Low-Profile Standard, Ultra-Low-Profile Standard, Flat, Flanged Standard, Flanged Button
Hex, Hex Socket, Socket, External Square, Slotted