Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
M20x2.5, #8-36, #2-56, M10 x 1.50, M1.6x0.35
12", 85 mm, 5 1/4", 2 1/4", 7 1/2"
Steel, Stainless Steel, Steel, Alloy Steel, Nylon, Plastic, Titanium
Flat, Button, Ultra-Low-Profile Standard, Low-Profile Standard, Flanged Button
Hex Socket, Hex, Socket, External Square, Slotted