ZMG
 |  ZMVG
 |  ZMFG
 |  UZMG
 |  UZMVG
 |  UZMFG
 |  UKANG

UBGN-A
 |  UBGN-B
 |  UBGN-C
 |  UBGN-D
 |  UBGN-E
 
- Due to the thickness comparatively thinner than other types, this type is
  especially applicable when there are space restrictions.
- The thread, clamping face, trailing rims and outer skirts have been
  precisely grinded to satisfy high precision during high speed rotation.
 
- Material : SCM440(42CrMo4)
- Hardness : HRC 28~32
- Thread Tolerance : ISO 4H
- Squareness : 0.002mm
- Parallelism : 0.002mm
- Concentricity : 0.005mm