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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. UNF Go/No-Go Thread Plug Gauge 2B (JBO)
        UNF Go/No-Go Thread Plug Gauge 2B (JBO)
        UNF Go/No-Go Plug Gauge
        Class 2B Tolerance
        Right Hand
        Premium German Made Thread Gauge

        Starting at £73.44 £61.20

        View Products JBO-UNF-GONOGO-2B-PG-RH
      2. UNF Go Thread Ring Gauge 2A (JBO)
        UNF Go Thread Ring Gauge 2A (JBO)
        UNF Go Ring Gauge
        Class 2A Tolerance
        Right Hand
        Premium German Made Thread Gauge

        Starting at £60.92 £50.77

        View Products JBO-UNF-GO-2A-RG-RH
      3. UNF No-Go Thread Ring Gauge 2A (JBO)
        UNF No-Go Thread Ring Gauge 2A (JBO)
        UNF No-Go Ring Gauge
        Class 2A Tolerance
        Right Hand
        Premium German Made Thread Gauge

        Starting at £60.92 £50.77

        View Products JBO-UNF-NOGO-2A-RG-RH
      4. 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 >
        UNF No-Go Ring Gauge
        Class 6H Tolerance
        Right Hand
        Premium German Made Thread Gauge
        Supplied with Level 1 calibration certific ... read more >

        Starting at £113.35 £94.46

        View Products JBO-UNF-NOGO-3A-RG-RH-CALIB
      5. UNF No-Go Thread Ring Gauge 3A (JBO)
        UNF No-Go Thread Ring Gauge 3A (JBO)
        UNF No-Go Ring Gauge
        Class 3A Tolerance
        Right Hand
        Premium German Made Thread Gauge

        Starting at £85.30 £71.08

        View Products JBO-UNF-NOGO-3A-RG-RH
      6. 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 >
        UNF No-Go Ring Gauge
        Class 6H Tolerance
        Right Hand
        Premium German Made Thread Gauge
        Supplied with Level 1 calibration certific ... read more >

        Starting at £88.98 £74.15

        View Products JBO-UNF-NOGO-2A-RG-RH-CALIB
      7. 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 >
        UNF No-Go Ring Gauge
        Class 6H Tolerance
        Left Hand
        Premium German Made Thread Gauge
        Supplied with Level 1 calibration certifica ... read more >

        Starting at £113.35 £94.46

        View Products JBO-UNF-NOGO-2A-RG-LH-CALIB
      8. UNF No-Go Left Hand Thread Ring Gauge 2A (JBO)
        UNF No-Go Left Hand Thread Ring Gauge 2A (JBO)
        UNF No-Go Ring Gauge
        Class 2A Tolerance
        Left Hand
        Premium German Made Thread Gauge

        Starting at £85.30 £71.08

        View Products JBO-UNF-NOGO-2A-RG-LH
      9. 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 >
        UNF Go/No-Go Plug Gauge
        Class 6H Tolerance
        Right Hand
        Premium German Made Thread Gauge
        Supplied with Level 1 calibration certi ... read more >

        Starting at £121.60 £101.33

        View Products JBO-UNF-GONOGO-3B-PG-RH-CALIB
      10. UNF Go/No-Go Thread Plug Gauge 3B (JBO)
        UNF Go/No-Go Thread Plug Gauge 3B (JBO)
        UNF Go/No-Go Plug Gauge
        Class 3B Tolerance
        Right Hand
        Premium German Made Thread Gauge

        Starting at £93.54 £77.95

        View Products JBO-UNF-GONOGO-3B-PG-RH
      11. 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 >
        UNF Go/No-Go Plug Gauge
        Class 6H Tolerance
        Right Hand
        Premium German Made Thread Gauge
        Supplied with Level 1 calibration certi ... read more >

        Starting at £101.50 £84.58

        View Products JBO-UNF-GONOGO-2B-PG-RH-CALIB
      12. 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 >
        UNF Go/No-Go Plug Gauge
        Class 6H Tolerance
        Left Hand
        Premium German Made Thread Gauge
        Supplied with Level 1 calibration certif ... read more >

        Starting at £130.64 £108.87

        View Products JBO-UNF-GONOGO-2B-PG-LH-CALIB
      13. UNF Go/No-Go Left Hand Thread Plug Gauge 2B (JBO)
        UNF Go/No-Go Left Hand Thread Plug Gauge 2B (JBO)
        UNF Go/No-Go Plug Gauge
        Class 2B Tolerance
        Left Hand
        Premium German Made Thread Gauge

        Starting at £102.60 £85.50

        View Products JBO-UNF-GONOGO-2B-PG-LH
      14. 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 >
        UNF Go Ring Gauge
        Class 6H Tolerance
        Right Hand
        Premium German Made Thread Gauge
        Supplied with Level 1 calibration certificate ... read more >

        Starting at £113.35 £94.46

        View Products JBO-UNF-GO-3A-RG-RH-CALIB
      15. UNF Go Thread Ring Gauge 3A (JBO)
        UNF Go Thread Ring Gauge 3A (JBO)
        UNF Go Ring Gauge
        Class 3A Tolerance
        Right Hand
        Premium German Made Thread Gauge

        Starting at £85.30 £71.08

        View Products JBO-UNF-GO-3A-RG-RH
      16. 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 >
        UNF Go Ring Gauge
        Class 6H Tolerance
        Right Hand
        Premium German Made Thread Gauge
        Supplied with Level 1 calibration certificate ... read more >

        Starting at £88.98 £74.15

        View Products JBO-UNF-GO-2A-RG-RH-CALIB
      17. 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 >
        UNF Go Ring Gauge
        Class 6H Tolerance
        Left Hand
        Premium German Made Thread Gauge
        Supplied with Level 1 calibration certificates ... read more >

        Starting at £113.35 £94.46

        View Products JBO-UNF-GO-2A-RG-LH-CALIB
      18. UNF Go Left Hand Thread Ring Gauge 2A (JBO)
        UNF Go Left Hand Thread Ring Gauge 2A (JBO)
        UNF Go Ring Gauge
        Class 2A Tolerance
        Left Hand
        Premium German Made Thread Gauge

        Starting at £85.30 £71.08

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

      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
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      1. Plug Gauge
      2. Ring Gauge
      Less
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      1. Go
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      3. No-Go
      Less
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      1. No
      2. Yes
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      1. 2A
      2. 2B
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