01924 869660

  GBP   
    Toggle Nav
      Search
      Home

       01924 869660

      My Account

      • Free Delivery on Orders Over £79 ex vat*
        *View Terms & Conditions

      • The BEST Technical Advice in the Industry
        Call Our Tech Team on 01924 869 615

      NPT (National Pipe Taper) Thread Gauges

      Go & No-Go Plug & Ring gauges from Insize & premium German supplier JBO in National Pipe Taper (NPT) thread form.

        Shop Now NPT National Pipe Taper Plug Gauges
        Shop Now NPT National Pipe Taper Ring Gauges
      View Filters
      Filter Products
      Size
      1. 1
      2. 1 1/2"
      3. 1 1/2“
      4. 1 1/4"
      5. 1 1/4“
      6. 1/16"
      7. 1/16“
      8. 1/2"
      9. 1/2“
      10. 1/4"
      11. 1/4“
      12. 1/8"
      13. 1/8“
      14. 1“
      15. 2
      16. 2 1/2"
      17. 2 1/2“
      18. 2“
      19. 3
      20. 3 1/2"
      21. 3 1/2“
      22. 3/4"
      23. 3/4“
      24. 3/8"
      25. 3/8“
      26. 3“
      27. 4
      28. 4“
      Less
      TPI
      1. 11.5
      2. 14
      3. 18
      4. 27
      5. 8
      6. 8
      Less
      Price
      Less
      Plug or Ring
      1. Plug Gauge
      2. Ring Gauge
      Less
      Calibrated
      1. No
      2. Yes
      Less
      Coating
      1. Oil Hardened
      Less
      Brand
      1. Insize
      2. JBO (Johs Boss)
      Less