Narrow, SAE, Large Outside Diameter, Standard, USS
Steel, Titanium, PEEK, Stainless Steel, Phenolic Resin
40 mm, 45 mm, 4", 1 5/8", 18 mm
6.5 mm, 16.5 mm, 20.2 mm, 1.172", 0.906"
1.2 mm, 1 mm, 1.6 mm, 0.3 mm, 2.5 mm
DIN 125A, BS 4320, DIN 7980, BS 4320G, BS 4320B