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    UNF (Unified National Fine) Thread Gauges

    Go & No-Go Plug & Ring gauges from Insize & premium German supplier JBO in unified national fine (UNF) thread form.

    UNF (Unified National Fine) Thread Gauges

    Go & No-Go Plug & Ring gauges from Insize & premium German supplier JBO in unified national fine (UNF) thread form.

    18 Items

    Set Descending Direction
    1. Calibrated UNF Go/No-Go Thread Plug Gauge 3B (JBO)
      Calibrated UNF Go/No-Go Thread Plug Gauge 3B (JBO)
      Premium German made UNF Right Hand Go/No-Go Thread Plug Gauge. For checking to a 3B tolerance. These JBO gauges are supplied with Level 1 calibration certificates which include a simple pitch diameter ... read more >

      Starting at £114.71 £95.59

      View Products JBO-UNF-GONOGO-3B-PG-RH-CALIB
    2. Calibrated UNF No-Go Thread Ring Gauge 3A (JBO)
      Calibrated UNF No-Go Thread Ring Gauge 3A (JBO)
      Premium German made UNF Right Hand No-Go Thread Ring Gauge. For checking to a 3A tolerance. These JBO gauges are supplied with Level 1 calibration certificates which include a simple pitch diameter de ... read more >

      Starting at £106.93 £89.11

      View Products JBO-UNF-NOGO-3A-RG-RH-CALIB
    3. Calibrated UNF Go Thread Ring Gauge 3A (JBO)
      Calibrated UNF Go Thread Ring Gauge 3A (JBO)
      Premium German made UNF Right Hand Go Thread Ring Gauge. For checking to a 3A tolerance. These JBO gauges are supplied with Level 1 calibration certificates which include a simple pitch diameter deter ... read more >

      Starting at £106.93 £89.11

      View Products JBO-UNF-GO-3A-RG-RH-CALIB
    4. Calibrated UNF Go/No-Go Left Hand Thread Plug Gauge 2B (JBO)
      Calibrated UNF Go/No-Go Left Hand Thread Plug Gauge 2B (JBO)
      Premium German made UNF Left Hand Go/No-Go Thread Plug Gauge. For checking to a 2B tolerance. These JBO gauges are supplied with Level 1 calibration certificates which include a simple pitch diameter ... read more >

      Starting at £123.25 £102.71

      View Products JBO-UNF-GONOGO-2B-PG-LH-CALIB
    5. Calibrated UNF Go/No-Go Thread Plug Gauge 2B (JBO)
      Calibrated UNF Go/No-Go Thread Plug Gauge 2B (JBO)
      Premium German made UNF Right Hand Go/No-Go Thread Plug Gauge. For checking to a 2B tolerance. These JBO gauges are supplied with Level 1 calibration certificates which include a simple pitch diameter ... read more >

      Starting at £95.75 £79.79

      View Products JBO-UNF-GONOGO-2B-PG-RH-CALIB
    6. Calibrated No-Go Left Hand Thread Ring Gauge 2A (JBO)
      Calibrated No-Go Left Hand Thread Ring Gauge 2A (JBO)
      Premium German made UNF Left Hand No-Go Thread Ring Gauge. For checking to a 2A tolerance. These JBO gauges are supplied with Level 1 calibration certificates which include a simple pitch diameter det ... read more >

      Starting at £106.93 £89.11

      View Products JBO-UNF-NOGO-2A-RG-LH-CALIB
    7. Calibrated UNF Go Left Hand Thread Ring Gauge 2A (JBO)
      Calibrated UNF Go Left Hand Thread Ring Gauge 2A (JBO)
      Premium German made UNF Left Hand Go Thread Ring Gauge. For checking to a 2A tolerance. These JBO gauges are supplied with Level 1 calibration certificates which include a simple pitch diameter determ ... read more >

      Starting at £106.93 £89.11

      View Products JBO-UNF-GO-2A-RG-LH-CALIB
    8. Calibrated No-Go Thread Ring Gauge 2A (JBO)
      Calibrated No-Go Thread Ring Gauge 2A (JBO)
      Premium German made UNF Right Hand No-Go Thread Ring Gauge. For checking to a 2A tolerance. These JBO gauges are supplied with Level 1 calibration certificates which include a simple pitch diameter de ... read more >

      Starting at £83.94 £69.95

      View Products JBO-UNF-NOGO-2A-RG-RH-CALIB
    9. Calibrated UNF Go Thread Ring Gauge 2A (JBO)
      Calibrated UNF Go Thread Ring Gauge 2A (JBO)
      Premium German made UNF Right Hand Go Thread Ring Gauge. For checking to a 2A tolerance. These JBO gauges are supplied with Level 1 calibration certificates which include a simple pitch diameter deter ... read more >

      Starting at £83.94 £69.95

      View Products JBO-UNF-GO-2A-RG-RH-CALIB
    10. UNF Go/No-Go Thread Plug Gauge 3B (JBO)
      UNF Go/No-Go Thread Plug Gauge 3B (JBO)

      Starting at £88.25 £73.54

      View Products JBO-UNF-GONOGO-3B-PG-RH
    11. UNF No-Go Thread Ring Gauge 3A (JBO)
      UNF No-Go Thread Ring Gauge 3A (JBO)

      Starting at £80.47 £67.06

      View Products JBO-UNF-NOGO-3A-RG-RH
    12. UNF Go Thread Ring Gauge 3A (JBO)
      UNF Go Thread Ring Gauge 3A (JBO)

      Starting at £80.47 £67.06

      View Products JBO-UNF-GO-3A-RG-RH
    13. UNF Go/No-Go Left Hand Thread Plug Gauge 2B (JBO)
      UNF Go/No-Go Left Hand Thread Plug Gauge 2B (JBO)

      Starting at £96.79 £80.66

      View Products JBO-UNF-GONOGO-2B-PG-LH
    14. UNF Go/No-Go Thread Plug Gauge 2B (JBO)
      UNF Go/No-Go Thread Plug Gauge 2B (JBO)

      Starting at £51.97 £43.31

      View Products JBO-UNF-GONOGO-2B-PG-RH
    15. UNF No-Go Left Hand Thread Ring Gauge 2A (JBO)
      UNF No-Go Left Hand Thread Ring Gauge 2A (JBO)

      Starting at £80.47 £67.06

      View Products JBO-UNF-NOGO-2A-RG-LH
    16. UNF Go Left Hand Thread Ring Gauge 2A (JBO)
      UNF Go Left Hand Thread Ring Gauge 2A (JBO)

      Starting at £80.47 £67.06

      View Products JBO-UNF-GO-2A-RG-LH
    17. UNF No-Go Thread Ring Gauge 2A (JBO)
      UNF No-Go Thread Ring Gauge 2A (JBO)

      Starting at £43.12 £35.93

      View Products JBO-UNF-NOGO-2A-RG-RH
    18. UNF Go Thread Ring Gauge 2A (JBO)
      UNF Go Thread Ring Gauge 2A (JBO)

      Starting at £43.12 £35.93

      View Products JBO-UNF-GO-2A-RG-RH

    18 Items

    Set Descending Direction
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    Size
    1. 1 1/2“
    2. 1 1/4“
    3. 1 1/8“
    4. 1 3/8"
    5. 1 3/8“
    6. 1/2“
    7. 1/4“
    8. 1“
    9. 3/4“
    10. 3/8“
    11. 5/16“
    12. 5/8“
    13. 7/16“
    14. 7/8“
    15. 9/16“
    16. No.0
    17. No.1
    18. No.10
    19. No.12
    20. No.2
    21. No.3
    22. No.4
    23. No.5
    24. No.6
    25. No.8
    Less
    TPI
    1. 12
    2. 14
    3. 16
    4. 18
    5. 20
    6. 24
    7. 28
    8. 32
    9. 36
    10. 40
    11. 44
    12. 48
    13. 56
    14. 64
    15. 72
    16. 80
    Less
    Price
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    Plug or Ring
    1. Plug Gauge
    2. Ring Gauge
    Less
    Type
    1. Go
    2. Go/No-Go
    3. No-Go
    Less
    Calibrated
    1. No
    2. Yes
    Less
    Tolerance
    1. 2A
    2. 2B
    3. 3A
    4. 3B
    Less
    Hand
    1. Left
    2. Right
    Less