Narrow, Mil-Spec, SAE, Oversized, Large Outside Diameter
PEEK, Phenolic Resin, Stainless Steel, Nylon, Titanium
19 mm, 44 mm, 23 mm, 4 1/2", 9/16"
0.375", 0.41", 0.391", 1.563", 0.172"
0.7 mm, 8.1 mm, 1.2 mm, 2.5 mm, 1.6 mm
DIN 127B, BS 4320G, BS 4320, BS 4463, ASME B18.21.1