Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
M1.6x0.35, #6-32, #8-36, #6-40, M6
12", 4 1/2", 5 1/4", 40 mm, 22 mm
Steel, Alloy Steel, Brass, Steel, Nylon, Plastic, Titanium
Low-Profile Standard, Ultra-Low-Profile Standard, Standard, Flat, Flanged Button
Hex Socket, Cross, Socket, Slotted, External Square