Mil-Spec, Standard, Large Outside Diameter, SAE, USS
Titanium, PEEK, Nylon, Phenolic Resin, Brass
19 mm, 26 mm, 3 3/4", 1 3/4", 3 1/2"
0.219", 0.391", 1.313", 1.563", 1.25"
2.5 mm, 1.45 mm, 5.8 mm, 0.6 mm, 1.2 mm
BS 4320, DIN 125A, ASME B18.21.1, DIN 6797A, BS 4320B