Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
M20x2.5, M5x0.8, 1/4"-20, M6, M10 x 1.50
1", 5 1/4", 2 1/16", 1 7/8", 40 mm
Stainless Steel, Brass, Nylon, Plastic, Titanium, Steel
Flat, Low-Profile Standard, Ultra-Low-Profile Standard, Flanged Button, Flanged Standard
Pozidriv, Cross, Socket, External Square, Slotted