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- Arbor diameter is 1.000 inches
- Made from alloy steel hardened to 54 - 56rc
- Concentricity is less than .0002 at face and arbor
- All critical tool holder surfaces precision ground
- Gage length is 1.5 inches
- Tool Holder is balanced to G2.5 at 20,000 rpms
- Coolant thru capable
- Lock screw thread is 1/2-20
- Width of removable drive keys are .370 inches
- Rear thread for pull stud is M12 X 1.75
- MariTool Part# is ISO30-FMA1.0-1.5