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- This tool holder is for adapting to the PHBOR50 boring head
- Works on all CAT40 machines with Dual Contact spindles
- Compatible with BIG-PLUS® spindles
- Nose diameter is 1.75 Inches in diameter
- Gage length is 1.500 Inches
- Rear thread for pull stud is 5/8-11
*BIG-PLUS® is a trademark of Daishowa Seiki Kabushiki Kaisha; Big Daishowa Seiki Co., Ltd., Corp.
Compatible with BIG-PLUS® spindles, but not licensed.