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- This tool holder accepts all .500 shank tooling
- Works on all CAT40 machines with Dual Contact spindles
- Compatible with BIG-PLUS® spindles
- All critical tool holder surfaces precision ground
- Made from hardened alloy steel
- Balanced to G2.5 at 20,000 rpms
- Coolant thru capable
- Gage length is 2.25 inches
- Nose diameter is 1.370 Inches
- Concentricity is less than .0001
- Rear thread for pull stud is 5/8-11
- MariTool Part# is CAT40-EM.500-2.25D
*BIG-PLUS® is a trademark of Daishowa Seiki Kabushiki Kaisha; Big Daishowa Seiki Co., Ltd., Corp.
Compatible with BIG-PLUS® spindles, but not licensed.