GS 531-402 ER11 CAT 40, 4" Projection Collet Chuck Holder

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Item #
  • Brand: GS
  • Model #: 531-402
  • Collet Series: ER
  • Collet Type: ER11
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Product Specifications
More Information
Brand GS
Model # 531-402
Collet Type ER11
Type ER Collet Chuck
Collet Series ER
Taper CAT 40
Projection 4"
Through Coolant Yes
Collet Range .019" - .275"
Collet Size ER11
Gage Length 4.00"
Prop. 65 Yes
Weight 4 lbs.
Country of Origin IMPORT

Prop 65 Warning

Many metalworking products do contain metals that are included in the latest Prop 65 warning. Exposure to the elements can be harmful. May cause cancer and reproductive harm.

Complete with certificate


  • Flexibility to allow and combine drilling, reaming, milling and tapping utilizing the same chuck without sacrificing accuracy or rigidity.
  • Factory balanced to save spindle life, tool life and increased productivity.
  • Threaded through holes for a back-up screw (tool stop) or coolant through when removed.


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