Amana Tool HO-220 50mm Dia Collet Standard ER32, CAT 40 High Precision ER Collet Chuck Tool Holder

  • SKU: HO-220
Availability: In Stock

CAT 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