Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
M24x3, M20x2.5, M2x0.4, 7/16"-14, 1/4"-20
5 1/4", 7 1/2", 1", 1 3/8", 3 7/8"
Stainless Steel, Steel, Alloy Steel, Steel, Nylon, Plastic, Titanium
Ultra-Low-Profile Standard, Standard, Flat, Flanged Standard, Flanged Button
Hex, Phillips, Socket, Slotted, External Square