PRODUCT DETAILS
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BT 40 High Precision ER tool holders are mainly used for CNC milling machines.
- Made from alloy steel hardened to 54 - 56rc
- Tool holders balanced to G2.5 at 25,000 RPMs
- Coolant-through capability
- Concentricity is less than .0002 at collet face
- Rear thread for pull stud is 5/8-11
- Spring collet not included
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WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to www.P65Warnings.ca.gov/wood.