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- This tool holder accepts all 1.0" shank tooling
- 1.00" bore can accept shank 2.375" deep
- All critical tool holder surfaces precision ground
- Made from alloy steel hardened to 54 - 56rc
- Balanced to G2.5 at 20,000 rpms
- Gage length is 2.5 inches
- Concentricity is less than .0001
- Rear thread for pull stud is M12 X 1.75
- MariTool Part# is BT30-EM1.0-2.5