BEYOND MGIVR3125-4 Indexable Internal Grooving Boring Bar | 1-1/4" (31.75mm Shank Profile) CNC Lathe Heavy-Duty Right-Hand Slotting Cutter Body for 4mm MGMN400 Inserts CNMG160608 T9125 a grade with a tougher

a grade with a tougher core like TT8080 might be more suitable

and complex contours

Designation:SNMG120412-EM YBG205

Unit System Model Number Inscribed Circle (IC) Radius (RE) Metric (ISO) CCMT09T304FG 9

BEYOND MGIVR3125-4 Indexable Internal Grooving Boring Bar | 1-1/4" (31.75mm Shank Profile) CNC Lathe Heavy-Duty Right-Hand Slotting Cutter Body for 4mm MGMN400 Inserts CNMG160608 T9125 a grade with a tougherBEYOND MGIVR3125 4 Indexable Internal Grooving Boring Bar 1 1 4" (31. 75mm Shank Profile) CNC Lathe Heavy Duty Right Hand Slotting Cutter Body for 4mm MGMN400 Inserts CRITICAL EXCLUSION NOTICE: The premium indexable carbide internal grooving, internal slotting, or profiling insert (Model: MGMN400 series, 4. 0mm cutting width or equivalent) shown mounted inside the precision clamping pocket configuration within our product photography, technical