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- Works on all CAT40 machines with Dual Contact spindles
- Compatible with BIG-PLUS® spindles
- This Shrink Fit Tool Holder accepts all .250 shank tooling
- All critical tool holder surfaces precision ground
- Made from H-13 alloy steel hardened to 56rc
- Balanced to G2.5 at 20,000 rpms
- Gage length is 4.5 inches
- Nose diameter is 1.0 Inches
- Max socket depth is unrestricted
- Tool holder is coolant thru compatible
- Concentricity is less than .0002
- Rear thread for pull stud is 5/8-11
- Read more about Shrink Fit Tool Holders Here
- MariTool Part# is CAT40-SF.250-4.5DT
*BIG-PLUS® is a trademark of Daishowa Seiki Kabushiki Kaisha; Big Daishowa Seiki Co., Ltd., Corp.
Compatible with BIG-PLUS® spindles, but not licensed.