Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
M24x3, M20x2.5, M2.5x0.45, M16x2, #6-32
3 7/8", 3 1/2", 12", 85 mm, 5 1/4"
Steel, Alloy Steel, Brass, Steel, Nylon, Plastic, Titanium
Button, Standard, Flanged Standard, Flat, Flanged Button
Hex Socket, Phillips, Slotted, External Square, Socket