... with polishing without burr, the tolerance of external diameter is less than 1 mm. The diameter, layers and so on can be made ... Diameters: 16.23mm or 22. 23mm (Tolerance: 0. 15mm) Outer diameter: 75mm, 85mm, 95mm, 107mm. 118mm, 125mm,140mm, 170mm,178mm (Tolerance ...