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      BSP(G) (British Standard Pipe) Thread Gauges

      Go & No-Go Plug & Ring gauges from Insize & premium German supplier JBO in British Standard Pipe (BSP(G)) thread form.

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      1. 1
      2. 1 1/2"
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      4. 1 1/4"
      5. 1 1/4“
      6. 1 1/8“
      7. 1 3/4“
      8. 1/16“
      9. 1/2"
      10. 1/2“
      11. 1/4"
      12. 1/4“
      13. 1/8"
      14. 1/8“
      15. 1“
      16. 2
      17. 2 1/2“
      18. 2 1/4“
      19. 2 3/4"
      20. 2 3/4“
      21. 2“
      22. 3 1/2“
      23. 3/4"
      24. 3/4“
      25. 3/8"
      26. 3/8“
      27. 3“
      28. 4 1/2“
      29. 4“
      30. 5 1/2“
      31. 5/8“
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