Amana Tool HO-172 34mm Dia Collet Standard ER20, BT 40 High Precision ER Collet Chuck Tool Holder

Amana Tool® Item #HO-172
$87.35
$78.62
Free shipping on orders $49 and up
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
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.
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