CNC Collet Maintenance

Jul 14, 2026 11:55am · 1 views
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Collet Cleaning Guide

A dirty collet causes 'Runout' (wobble), which breaks small bits and leaves poor finishes.

  • Clean: Use a brass brush and IPA to remove dust from the slits.
  • Inspect: Look for 'scoring' (circles) inside. This means a bit slipped.
  • Replace: Collets are wear items. Replace them once a year if you use your machine heavily.