Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
1/2"-13, M2.5x0.45, M20x2.5, M10 x 1.50, M1.6x0.35
12", 300 mm, 5 1/4", 3 3/4", 2 1/8"
Brass, Steel, Alloy Steel, Steel, Titanium, Nylon, Plastic
Flat, Ultra-Low-Profile Standard, Standard, Flanged Button, Flanged Standard
Cross, Phillips, Socket, External Square, Slotted