CAT50 ER Collet Chuck Tool Holders CNC Machine Tools

  • CAT50 ER Collet Chuck Tool Holders CNC Milling Tools
  • Works on all CAT 50 machines
  • For ER40 ER32 ER25 ER20 ER16
  • Threaded for stop screw ( included)
  • All critical surfaces precision ground
  • Made from alloy steel hardened to 54 – 56rc
  • Balanced to G2.5 at 25,000 RPMs
  • Gage length is ( from 0.5″ to 10 inches)
  • Concentricity is less than .0001 at collet face
  • Collet nut is included
  • Rear thread for pull stud is 1-8″
  • Color Silver Coated: never rusty ever
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          CAT50 ER Collet Chuck Tool Holders CNC Milling Tools

The IGSTOOL Tool holder is balanced to G2.5 25,000 RPM on Germany HAIMER Tool Dynamic Balancing System,
Each Tool Holder with QC report card. 100% guarantee of each tool holders  in the high-performance
Balanced tool holder minimizes the centrifugal forces which minimize the stress on spindle bearing,
minimize vibration and maximize the cutting tool’s life cycle and greatly improve surface finish


We accept Custom OEM Order 


         All CAT50 ER Collet Chuck  Tool Holder

CAT50 Product NO. CAT50 ER Collet Chuck Tool Holders  ER40 ER32 ER25 ER20 ER16
Insulation material Hardened Alloy Steel
Hardness HRC 55
Run Out (TIR) <0.0001″ or 0.003mm
Color Silver coated  (never rusty  ever)
 Standard Spindle  CAT50 Taper
Stop Screw Threaded for internal stop screw included
Manufacture IGSTOOL

Drawings &  downloads


Application Guide



CAT40 Tool Holder s

CAT50 Collet Holders Available

Inquiry us immediately


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