Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
M20x2.5, M6, M10 x 1.50, M1.6x0.35, M2x0.4
1 9/16", 50 mm, 3 7/8", 8 mm, 140 mm
Stainless Steel, Steel, Alloy Steel, Steel, Nylon, Plastic, Titanium
Low-Profile Standard, Ultra-Low-Profile Standard, Standard, Flanged Standard, Flanged Button
Phillips, Hex, Socket, Slotted, External Square