Imperial, Metric, Coarse, Metric, Fine, Inch, Metric
M20x2.5, #6-40, M8, M10 x 1.50, M1.6x0.35
1 3/8", 160 mm, 40 mm, 200 mm, 130 mm
Stainless Steel, Steel, Alloy Steel, Brass, Titanium, Nylon, Plastic
Flat, Button, Ultra-Low-Profile Standard, Standard, Flanged Button
Hex, Phillips, External Square, Socket, Slotted