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ER - Collet Chucks

PIONEER ER Collet Chucks are "Best In Class" Performance and True Dynamic Balance
Premium Precision 0.0001” 
  • Runout taper to bore within 3 Microns (0.0001”) T.I.R.
Premium Precision Collets
  • Standard Collet @ 0.0004” @ 2 x Tool Diameter
  • Premium-Precision  @ 0.0002” @ 2 x Tool Diameter
Coolant Thru
  • Coolant Thru the Center
  • DIN AD+B Flange Coolant Included
  • Rubber Seal & Steel Seal Collets Available
Dynamically Balanced
  • 30, 40 & HSK63A - G6.3 @ 20,000 RPM
  • 50 & HSK100A - G6.3 @ 15,000 RPM
  • Collet Nuts Dynamically Balanced Individually for Optimal Performance
ISO AT3 Taper Tolerance
  • Tapers are ground better than AT3 for optimal T.I.R.
Interchangeable
  • Meets and Exceeds all DIN and Industry Standards

Accuracy "is" Everything - New HER Collets

HER are available in 2 versions,
  • HER 5 Micron TIR @3 Times Diameter
    • 5 Microns = 0.0002”
  • HER***P 2 Micron TIR @3 Times Diameter (Blue Ring)
    • 2 Microns = 0.000079”

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