Narrow, SAE, Mil-Spec, Large Outside Diameter, USS
Steel, Nylon, Stainless Steel, Titanium, PEEK
45 mm, 19 mm, 1 1/16", 2 1/4", 1 3/16"
0.391", 1.313", 1.563", 0.203", 1.109"
1.5 mm, 0.28 mm, 3 mm, 1.6 mm, 8.1 mm
BS 4320:1968, DIN 127B, DIN 7980, BS 4320, BS 4320B