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UNC Ring Gauges

UNC Ring Gauges

Our range of unified national coarse (UNC) gauges from Insize and German-made JBO gauge outside threads to determine if the thread is within the upper/lower limits of component tolerance. Available in a wide range of sizes, tolerances and go/no-go forms.

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UNF Go Ring Gauge 2A - 4121 Series (Insize)
UNF Go Ring Gauge 2A - 4121 Series (Insize)

The Insize 4121 Thread Ring gauges for gauging outside thread, to determine if the thread is within the upper/lower limits of the components tolerance. The hole size can be determined by using go and ...

  • Go and No-Go are supplied seperatley.
  • Class 2A tolerance.
  • Thread Standard: ISO1502.

From £33.23 £27.69

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UNC Go Thread Ring Gauge 2A (JBO)
UNC Go Thread Ring Gauge 2A (JBO)

Premium German made UNC Right Hand Go Thread Ring Gauge. For checking to a 2A tolerance....

  • UNC Go Ring Gauge
  • Class 2A Tolerance
  • Right Hand
  • Premium German Made Thread Gauge

From £52.56 £43.80

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UNC No-Go Thread Ring Gauge 2A (JBO)
UNC No-Go Thread Ring Gauge 2A (JBO)

Premium German made UNC Right Hand No-Go Thread Ring Gauge. For checking to a 2A tolerance....

  • UNC No-Go Ring Gauge
  • Class 2A Tolerance
  • Right Hand
  • Premium German Made Thread Gauge

From £50.95 £42.46

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UNC Go Ring Gauge 2A - 4121 Series (Insize)
UNC Go Ring Gauge 2A - 4121 Series (Insize)

The Insize 4121 Thread Ring gauges for gauging outside thread, to determine if the thread is within the upper/lower limits of the components tolerance. The hole size can be determined by using go and ...

  • Go and No-Go are supplied seperatley.
  • Class 2A tolerance.
  • Thread Standard: ISO1502.

From £33.23 £27.69

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Calibrated No-Go Thread Ring Gauge 3A (JBO)
Calibrated No-Go Thread Ring Gauge 3A (JBO)

Premium German made UNC 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...

  • UNC No-Go Ring Gauge
  • Class 6H Tolerance
  • Right Hand
  • Premium German Made Thread Gauge
  • Supplied with Level 1 calibration certificates which include a simple pitch diameter determined on one level
  • For UKAS Calibration please enquire

From £116.98 £97.48

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UNC No-Go Thread Ring Gauge 3A (JBO)
UNC No-Go Thread Ring Gauge 3A (JBO)

Premium German made UNC Right Hand No-Go Thread Ring Gauge. For checking to a 3A tolerance....

  • UNC No-Go Ring Gauge
  • Class 3A Tolerance
  • Right Hand
  • Premium German Made Thread Gauge

From £88.00 £73.33

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Calibrated UNC No-Go Thread Ring Gauge 2A (JBO)
Calibrated UNC No-Go Thread Ring Gauge 2A (JBO)

Premium German made UNC 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...

  • UNC No-Go Ring Gauge
  • Class 6H Tolerance
  • Right Hand
  • Premium German Made Thread Gauge
  • Supplied with Level 1 calibration certificates which include a simple pitch diameter determined on one level
  • For UKAS Calibration please enquire

From £91.81 £76.51

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Calibrated No-Go Left Hand Thread Ring Gauge 2A (JBO)
Calibrated No-Go Left Hand Thread Ring Gauge 2A (JBO)

Premium German made UNC 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...

  • UNC No-Go Ring Gauge
  • Class 6H Tolerance
  • Left Hand
  • Premium German Made Thread Gauge
  • Supplied with Level 1 calibration certificates which include a simple pitch diameter determined on one level
  • For UKAS Calibration please enquire

From £116.98 £97.48

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UNC No-Go Left Hand Thread Ring Gauge 2A (JBO)
UNC No-Go Left Hand Thread Ring Gauge 2A (JBO)

Premium German made UNC Left Hand No-Go Thread Ring Gauge. For checking to a 2A tolerance....

  • UNC No-Go Ring Gauge
  • Class 2A Tolerance
  • Left Hand
  • Premium German Made Thread Gauge

From £88.00 £73.33

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Calibrated UNC Go Thread Ring Gauge 3A (JBO)
Calibrated UNC Go Thread Ring Gauge 3A (JBO)

Premium German made UNC 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...

  • UNC Go Ring Gauge
  • Class 6H Tolerance
  • Right Hand
  • Premium German Made Thread Gauge
  • Supplied with Level 1 calibration certificates which include a simple pitch diameter determined on one level
  • For UKAS Calibration please enquire

From £116.98 £97.48

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UNC Go Thread Ring Gauge 3A (JBO)
UNC Go Thread Ring Gauge 3A (JBO)

Premium German made UNC Right Hand Go Thread Ring Gauge. For checking to a 3A tolerance....

  • UNC Go Ring Gauge
  • Class 3A Tolerance
  • Right Hand
  • Premium German Made Thread Gauge

From £88.00 £73.33

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Calibrated UNC Go Thread Ring Gauge 2A (JBO)
Calibrated UNC Go Thread Ring Gauge 2A (JBO)

Premium German made UNC 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...

  • UNC Go Ring Gauge
  • Class 6H Tolerance
  • Right Hand
  • Premium German Made Thread Gauge
  • Supplied with Level 1 calibration certificates which include a simple pitch diameter determined on one level
  • For UKAS Calibration please enquire

From £91.81 £76.51

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Calibrated UNC Go Left Hand Thread Ring Gauge 2A (JBO)
Calibrated UNC Go Left Hand Thread Ring Gauge 2A (JBO)

Premium German made UNC 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...

  • UNC Go Ring Gauge
  • Class 6H Tolerance
  • Left Hand
  • Premium German Made Thread Gauge
  • Supplied with Level 1 calibration certificates which include a simple pitch diameter determined on one level
  • For UKAS Calibration please enquire

From £116.98 £97.48

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UNC Go Left Hand Thread Ring Gauge 2A (JBO)
UNC Go Left Hand Thread Ring Gauge 2A (JBO)

Premium German made UNC Left Hand Go Thread Ring Gauge. For checking to a 2A tolerance....

  • UNC Go Ring Gauge
  • Class 2A Tolerance
  • Left Hand
  • Premium German Made Thread Gauge

From £88.00 £73.33

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UNC No-Go Ring Gauge 2A Oil Hardened - 4633 Series (Insize)
UNC No-Go Ring Gauge 2A Oil Hardened - 4633 Series (Insize)

The Insize 4633 Thread Ring gauges for gauging outside thread, to determine if the thread is within the upper/lower limits of the components tolerance. The hole size can be determined by using go and ...

  • Class 2A tolerance.
  • Thread Standard: ANSI B1.2.
  • Material: OHNS (Oil Hardened Non-shrinking Steel).
  • Hardness 60-62HRC.

From £120.00 £100.00

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UNC Go Ring Gauge 2A Oil Hardened - 4633 Series (Insize)
UNC Go Ring Gauge 2A Oil Hardened - 4633 Series (Insize)

The Insize 4633 Thread Ring gauges for gauging outside thread, to determine if the thread is within the upper/lower limits of the components tolerance. The hole size can be determined by using go and ...

  • Class 2A tolerance.
  • Thread Standard: ANSI B1.2.
  • Material: OHNS (Oil Hardened Non-shrinking Steel).
  • Hardness 60-62HRC.

From £120.00 £100.00

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UNC Go Ring Gauge 2A - 4121 Series (Insize)
UNC Go Ring Gauge 2A - 4121 Series (Insize)

The Insize 4131 Thread Plug gauges for gauging internal thread sizes, to determine if the thread is within the upper/lower limits of the components tolerance. The hole size can be determined by using ...

  • Supplied with Go and No-Go End.
  • Class 2B tolerance.
  • Thread Standard: ISO1502.

From £33.23 £27.69

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