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- Works on all CAT 40 Machines
- This End Mill Tool Holder accepts all .125" shank tooling
- Nose diameter is .72 Inches
- All critical tool holder surfaces precision ground
- Made from alloy steel hardened to 54 - 56rc
- Coolant thru capable
- Balanced to G2.5 at 20,000 rpms
- Gage length is 2.25 inches
- Concentricity is less than .0001
- Rear thread for pull stud is 5/8-11
- MariTool Part# is CAT40-EM.125-2.25