BEYOND DCBNL2525M12 (25x25mm / 1.000" Shank) Indexable External Turning Tool Holder | Left-Hand 75° Lead Angle CNC Lathe Facing and Roughing CNMG1204 Toolholder MGMN400 compatible The AC6030M grade is Sumitomo's

The AC6030M grade is Sumitomo's first-choice solution for high-reliability stainless steel turning

Q1: Why does an internal boring bar like SNR0020R16 use 16IR instead of ER inserts

With a cutting edge angle of 72

and small-to-medium manufacturing environments:

BEYOND DCBNL2525M12 (25x25mm / 1.000" Shank) Indexable External Turning Tool Holder | Left-Hand 75° Lead Angle CNC Lathe Facing and Roughing CNMG1204 Toolholder MGMN400 compatible The AC6030M grade is Sumitomo'sBEYOND DCBNL2525M12 Left Hand Indexable External Turning Tool Holder (25x25mm Shank) for Heavy Duty 75 Lead Angle CNC Lathe Facing, Roughing, and Rigid CNMG1204 Turning Operations INDUSTRIAL PACKAGING NOTICE: The indexable carbide insert shown mounted inside the pocket matrix of this external toolholder is for spatial layout, dimensional visualization, and cutting geometry representation only. Turning inserts are NOT included in the package and must