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- ER32 Tool Holder Collet Nut
- All critical surfaces precision ground
- Made from alloy steel hardened to 54 - 56rc
- Thru twice heat treatment of each collet nut
- Balance :G2.5 25000rpm
- Color :oxide black
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- ER40 Tool Holder Collet Nut
- All critical surfaces precision ground
- Made from alloy steel hardened to 54 - 56rc
- Thru twice heat treatment of each collet nut
- Balance :G2.5 25000rpm
- Color :oxide black