Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
M16x2, 1/4"-28, #6-32, M10 x 1.50, M2.5x0.45
2 7/8", 25 mm, 85 mm, 140 mm, 6 1/2"
Steel, Steel, Alloy Steel, Nylon, Plastic, Titanium, Stainless Steel
Button, Standard, Flat, Flanged Standard, Flanged Button
Phillips, Torx, Socket, External Square, Slotted
0.7 mm, 0.8 mm, 1.5 mm, 1 mm