CNMG BORING BAR 40MM ACKNR/L -M12 Size:Right hand TF309 Grade is suitable for

TF309 Grade is suitable for general steel machining and DLC coating for enhanced wear resistance

engineering parts

Precision instruments and measuring devices

Manual transmissions in light and heavy-duty vehicles

Nano-coating provides higher wear resistance and rigidity and is widely used in shallow-slot

CNMG BORING BAR 40MM ACKNR/L -M12 Size:Right hand TF309 Grade is suitable for75 approach angle better for: Shoulder clearance inside bores Profiling & step boring Compatible with CNMG12 inserts (strong, economical) Designed for medium to heavy internal machining High rigidity due to 40 mm thick bar Suitable for steel, cast iron, alloy materials Tools with K geometry typically have a 75 cutting edge angle, which changes cutting direction and chip flow compared to 95 holders .