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 A: While AC830P is optimized

A: While AC830P is optimized strictly for ISO P-class carbon and alloy steels

Answer: Under official ISO international coding matrices

preventing the insert from tilting or shifting under aggressive indexing cuts

It is highly optimized for cutting standard internal threads in applications where a straight 6mm bar would experience severe bending

increasing productivity without sacrificing quality

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 A: While AC830P is optimizedBEYOND 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