BEYOND S25S-DCKNL12 (25mm / 1" Shank) Left-Hand Internal Boring Bar | Heavy-Duty D-Type Double Clamp ISO Lathe Bar for CNMG 1204 / CNMG 432 Carbide Inserts 35 degree insert boring bar preventing the insert from tilting

preventing the insert from tilting or shifting under aggressive indexing cuts

2mm radius ensures maximum edge strength under high-torque CNC operations

match your MSBNL2020K12 toolholder with the correct BEYOND carbide turning insert grade:

BEYOND D20R-STFCR16 Internal Spring Steel Turning Tools D20R-STFCR16  STFCR16 D20R STFCR16 CNC Lathe Cutter Holder Machine Metal Tools

*Grade Selection Tip: The 20mm shank offers exceptional stability

BEYOND S25S-DCKNL12 (25mm / 1" Shank) Left-Hand Internal Boring Bar | Heavy-Duty D-Type Double Clamp ISO Lathe Bar for CNMG 1204 / CNMG 432 Carbide Inserts 35 degree insert boring bar preventing the insert from tiltingBEYOND S25S DCKNL12 Heavy Duty Rigid Double Clamp Left Hand Internal Boring Bar (25mm 1" Shank) for ISO CNMG 1204 ANSI CNMG 432 Indexable Carbide Rhombic Inserts CRITICAL EXCLUSION NOTICE: The indexable carbide turning insert shown mounted inside the tool holder pocket within our product photography or dimensional diagrams is for spatial demonstration and seating alignment visualization purposes only. Carbide inserts are NOT included with the purchase