How to Read Metric Tap Markings

Metric tap markings combine nominal diameter and pitch, such as M10 x 1.5.

Taps: selection checklist

  • Read diameter and pitch together.
  • Use the matching metric drill size.
  • Confirm coarse or fine pitch before tapping.

How to choose the right option

  1. Confirm the job specification and machine interface.
  2. Select the correct size, geometry and material.
  3. Review the product details and related accessories before ordering.

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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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