Standard, Large Outside Diameter, Beveled, SAE, USS
Titanium, Nylon, Steel, PEEK, Phenolic Resin
15 mm, 1 5/8", 5 1/2", 3 3/4", 2"
14.5 mm, 16.5 mm, 20.2 mm, 1.875", 1.172"
1.5 mm, 8.1 mm, 1.2 mm, 0.5 mm, 0.28 mm
DIN 125A, BS 4320G, BS 4463, BS 4320, BS 4320B