Why Drill Bits Walk and How to Prevent It

Drill walking is usually a starting, alignment or point-geometry problem rather than a simple diameter problem.

Drill Bits: selection checklist

  • Center punch or pilot the hole when needed.
  • Choose split-point geometry for applications that need easier starts.
  • Secure the work and keep the drill square.

How to choose the right option

  1. Stop and inspect the tool, workpiece and machine interface.
  2. Correct the size, geometry, setup or cutting condition involved.
  3. Run a controlled test and inspect the result before returning to production.

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

Drill-bitsIndustrial cutting toolsTroubleshooting