Beveled, Large Outside Diameter, SAE, Mil-Spec, Oversized
Steel, Nylon, Brass, Titanium, Phenolic Resin
3 3/4", 7/8", 1 5/16", 1 3/8", 13/16"
0.438", 0.938", 0.172", 1.563", 1.109"
0.4 mm, 0.28 mm, 8.1 mm, 3.5 mm, 0.16 mm
BS 4320B, BS 4463, DIN 127B, DIN 7980, BS 4320