SAE, Oversized, Large Outside Diameter, Standard, Mil-Spec
PEEK, Phenolic Resin, Titanium, Stainless Steel, Nylon
45 mm, 25 mm, 2 3/4", 1 5/8", 5 1/2"
1.625", 0.391", 1.188", 1.563", 0.813"
0.6 mm, 8.1 mm, 0.5 mm, 0.3 mm, 0.28 mm
DIN 127B, BS 4320:1968, DIN 6798J, BS 4320B, DIN 7603A