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Products > Boring > Criterion® > Finish Boring > Large Cri-Bore® System > Overview
Large Cri-Bore System    360 Icon
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
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Technical Information
Product Specifications
Product Type
Modular Boring System
Outer Diameter Range
0.710" - 7.830" (19.00 mm - 198.00 mm)
Inner Diameter Range
5.00" - 12.125" (127.00 mm - 307.00 mm)
Boring Systems
Literature Thumbnail

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Literature Order Number: AMPC-B2

Recommended Cutting Data
Criterion Finish Boring

Additional Resources and Guidelines
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