The inner diameter 3.17mm, 4mm, 5mm, 6mm four kinds of dimensions are: cylindrical outer diameter 10mm, cylinder height 10mm, the total height of 12mm, Fixed set screw is M3
The inner diameter 14mm kinds of dimensions are: cylindrical outer diameter 19mm, cylinder height 10mm, the total height of 13mm, fixed set screw hole is M4
Flange shaft coupling, made from 45# steel, hardened by heat treatment, and then electroplated
The inner diameter 7mm, 8mm, cylindrical outer diameter 16mm, the total height of 13mm, fixed set screw hole is M4
The inner diameter 10mm, 11mm, 12mm kinds of dimensions are: cylindrical outer diameter 18mm, cylinder height 10mm, the total height of 13mm, fixed set screw hole is M4
