Imperial, Metric, Metric, Fine, Metric, Coarse, Inch
M12x1.75, M10x1.25, M2x0.4, M20x2.5, #6-40
1 7/8", 8 mm, 85 mm, 130 mm, 80 mm
Brass, Steel, Stainless Steel, Titanium, Nylon, Plastic
Low-Profile Standard, Button, Ultra-Low-Profile Standard, Standard, Flanged Button
Hex, Phillips, External Square, Socket, Slotted