How to Select a Left-Hand Drill Bit

Left-hand drill selection depends on fastener size, access, flute length and machine reversal.

Drill Bits: selection checklist

  • Choose a diameter that creates a useful pilot hole.
  • Confirm the drill runs in reverse.
  • Use a matching extractor if the fastener does not release.

How to choose the right option

  1. Confirm the job requirements and workpiece.
  2. Choose the linked tool family and exact specification.
  3. Set up the machine and tool securely.
  4. Inspect the result and replace the tool when performance drops.

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For production quantities, unusual sizes or help selecting the correct tool, request a quote from Cutting Tools Outlet.

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