Narrow, Mil-Spec, SAE, USS, Large Outside Diameter
Alloy Steel, Steel, Titanium, Brass, Nylon
40 mm, 45 mm, 4", 5 1/2", 3 3/4"
14.5 mm, 16.5 mm, 10.77 mm, 10.5 mm, 1.172"
1 mm, 0.6 mm, 3 mm, 8.1 mm, 0.5 mm
1/4", M20, M30, 3/8", M2.5
ASME B18.21.1, ASME B18.8.1, BS 4320B, BS 4463, BS 4320