Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
1/2"-13, M16x2, #8-36, #6-40, M10 x 1.50
7 1/2", 1", 50 mm, 80 mm, 7/8"
Steel, Alloy Steel, Brass, Steel, Titanium, Nylon, Plastic
Low-Profile Standard, Button, Ultra-Low-Profile Standard, Flat, Flanged Button
Cross, Phillips, Socket, External Square, Slotted