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- Drill Chuck is screwed from the back to ensure it does not come out during high cutting loads
- All critical surfaces precision ground
- Made from alloy steel hardened to 54 - 56rc
- Jaws are hardened to over 60rc
- Balanced to 15,000 rpms
- Gage length is 110mm (4.3 inches)
- This unit can hold shanks from .019-.511 (.5-13mm)
- Rear thread for pull stud is M16 X 2.0
- Wrench included
- MariTool Part# is BT40-APU13-110
