Large-diameter boring head Cri-Bore

Utilizing an extender bar and adapting standard Cri-Bore boring heads will extend the diameter range for internal and external boring. Advantages Uses microadjusting 1.500" Cri-Bore boring heads Modular system that allows you to use CAT, BT, or HSK shanks Increased RPMs due to low center of gravity to the machine spindle Can rotate boring heads 180° for external turning Features Available in microadjustment for 0.00005" or 0.001 mm increments Extender bars provide 1.125" adjustment on diameter Seven extender bars provide a diameter range from 5.000" - 12.125" (127.00 mm - 307.90 mm) for internal bores OD turning diameter range of 0.710" - 7.830" (18.10 mm - 198.80 mm) Max cutting speed ID boring: 1,000 SFM (305 M/min) at 0 radial offset and used with counterweight or additional boring head Max cutting speed OD boring: Contact our application engineering department