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PRODUCT INFO - BT40 ER20 100 COLLET CHUCK TOOL HOLDER
- Accepts all ER20 collets
- Made from alloy steel hardened to 54 - 56rc
- Balanced to 20,000 rpms at G2.5
- Concentricity is less than .0001 at collet face
- All critical surfaces precision ground
- Coolant through capability
- Gage length is 100mm (3.9 inches)
- Internal screw included
- Rear thread for pull stud is M16 X 2.0
- MariTool Part# is BT40-ER20-100
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