Western Pegasus

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Tapered Master Plugs


  • Tapered Master Plug (TMP) is used for the manufacture and checking wear condition of ring gauges.

  • A TMP has three lines.
  • A new ring is manufactured to fit between the first two lines.
  • When the ring passes over the third line, the ring is worn.
  • Ensures that all new ring gauges are consistent in size and allows to monitor ring wear simply and accurately.

  • TMP + Spline Ring & Plug used to measure:
    • Hand Held or Bench Mounted
    • Involute
    • Serrations
    • Parallel
    • Helical
    • Alignment
    • Concentricity

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