GIMY-UN : Utility inserts for external undercutting. Single-ended for deep machining, Y-type chipformer, low to medium feeds.
  DesignationW±0.05R±0.05MTmax-rfg
(min)
fg
(max)
GICATGIREMgiicGrade
  GIMY 315-UN 3.001.502.402.000.050.156404311 1IC8250 
  GIMY 420-UN 4.002.003.202.500.050.156404312 1IC8250 

For 45° undercutting on D 100 mm, regular GIMY inserts may be used.

For cutting speed recommendations, click on the required grade number related to specific item geometry