Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
M1.6x0.35, #6-32, M2x0.4, #6-40, M8
2 1/8", 22 mm, 200 mm, 45 mm, 6 1/2"
Steel, Alloy Steel, Brass, Steel, Nylon, Plastic, Titanium
Low-Profile Standard, Ultra-Low-Profile Standard, Standard, Flat, Flanged Button
Phillips, Pozidriv, Socket, Slotted, External Square