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 BEYOND D20R-STFCR16 Internal Spring Steel

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

Answer: Under official ISO international coding matrices

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

and Kennametal S16Q-MTUNR16 manufacturing specifications

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 BEYOND D20R-STFCR16 Internal Spring SteelBEYOND 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