Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
#6-40, 5/16"-18, M10 x 1.50, M1.6x0.35, #6-32
1 3/8", 45 mm, 18 mm, 2 7/8", 85 mm
Steel, Alloy Steel, Brass, Steel, Nylon, Plastic, Titanium
Low-Profile Standard, Button, Ultra-Low-Profile Standard, Standard, Flanged Button
Hex, Phillips, Socket, External Square, Slotted