Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
M1.6x0.35, M2x0.4, #6-40, M10 x 1.50, M2.5x0.45
40 mm, 60 mm, 2 7/8", 8", 6 1/2"
Steel, Alloy Steel, Steel, Stainless Steel, Nylon, Plastic, Titanium
Standard, Button, Flanged Standard, Flanged Button, Flat
Torx, Phillips, Socket, Slotted, External Square