Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
5/16"-18, M20x2.5, M10 x 1.50, M1.6x0.35, #6-32
3 7/8", 18 mm, 2 7/8", 1", 6 1/2"
Stainless Steel, Steel, Alloy Steel, Brass, Nylon, Plastic, Titanium
Flat, Button, Ultra-Low-Profile Standard, Flanged Standard, Flanged Button
Phillips, Hex, Socket, Slotted, External Square