Currency
GBP
My Account
Toggle Nav
    Search
    Home
    My Account
    Settings
    Currency
    GBP

    • 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

    Thread Repair Thread Gauges

    Go & No-Go Plug & Ring gauges from premium German supplier JBO in Thread Repair (STI) thread form.

      Shop Now 6H STI Metric Coarse Plug Gauges
      Shop Now 6H STI Metric Fine Plug Gauges
      Shop Now STI Unified Coarse Plug Gauges
      Shop Now STI Unified Fine Plug Gauges
    View Filters
    Filter Products
    Size
    1. 1/2“
    2. 1/4“
    3. 3/8“
    4. 5/16“
    5. 5/8“
    6. 7/16“
    7. M10
    8. M12
    9. M14
    10. M16
    11. M18
    12. M2
    13. M2.5
    14. M20
    15. M22
    16. M24
    17. M3
    18. M4
    19. M5
    20. M6
    21. M7
    22. M8
    23. No.10
    24. No.12
    25. No.2
    26. No.4
    27. No.5
    28. No.6
    29. No.8
    Less
    Pitch
    1. 0.4
    2. 0.45
    3. 0.5
    4. 0.7
    5. 0.8
    6. 1
    7. 1.25
    8. 1.5
    9. 1.75
    10. 2
    11. 2.5
    12. 3
    Less
    TPI
    1. 1
    2. 1.25
    3. 1.5
    4. 11
    5. 13
    6. 16
    7. 18
    8. 20
    9. 24
    10. 28
    11. 32
    12. 36
    13. 40
    14. 48
    15. 56
    Less
    Price
    Less
    Thread Form
    1. STI Metric Coarse
    2. STI Metric Fine
    3. STI UNC
    4. STI UNF
    Less
    Calibrated
    1. No
    2. Yes
    Less
    Tolerance
    1. 2B
    2. 3B
    3. 6H
    Less