Century Drill & Tool 05320 Copilot Hole Saw Enlarger Guide, Patented Design, Enlarges Existing Holes, Universal Fit for Hole Saw Arbors, Easy One-Cut Use;
Century Drill & Tool 05320 Copilot Hole Saw Enlarger Guide, Patented Design, Enlarges Existing Holes, Universal Fit for Hole Saw Arbors, Easy One-Cut Use

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  • Century's exclusive, patented CoPilot allows for anyone to easily enlarge existing holes in one easy cut
  • For use on every style and brand of threaded hole saw arbor
  • Use adapter nut to convert thread count from 1/2-20 to 5/8-18 when required
  • Adapter Nut for Thread Conversion: Use an adapter nut to convert thread sizes from 1/2-20 to 5/8-18 when required
  • Perfect for Professionals & DIYers: Whether for electricians, plumbers, or DIY projects, this guide simplifies hole enlargement without the guesswork. Hole saws and arbor sold separately
  • Century's exclusive, patented CoPilot allows for anyone to easily enlarge existing holes in one easy cut
  • For use on every style and brand of threaded hole saw arbor
  • Use adapter nut to convert thread count from 1/2-20 to 5/8-18 when required
  • Adapter Nut for Thread Conversion: Use an adapter nut to convert thread sizes from 1/2-20 to 5/8-18 when required
  • Perfect for Professionals & DIYers: Whether for electricians, plumbers, or DIY projects, this guide simplifies hole enlargement without the guesswork. Hole saws and arbor sold separately