Mil-Spec, Oversized, USS, Standard, Large Outside Diameter
Phenolic Resin, Alloy Steel, Steel, Stainless Steel, Titanium
2 1/4", 2 3/16", 1 37/64", 15/16", 1 5/32"
0.406", 0.313", 0.75", 0.875", 1.125"
0.76 mm, 1.01 mm, 0.3 → 0.25 mm, 1.65 - 1.90 mm, 1.08 mm
BS 3410, BS2870 CZ108, DIN 6797J, ASTM F436, DIN 125A