Inch Thread Ring Gauges

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Ελεγκτήρες Σπειρωμάτων Δαχτυλίδια GAS - PIPE - Σωλήνων Johs

JBO-RING-G

Ring Gauge for British Thread GAS - PIPE - Tubes

€59,10 - €1.009,00

€59,10

Available

Precision thread gauges Whitworth pipe thread DIN EN ISO 228 Gauge dimensions acc. DIN EN ISO 228-2 These specific products are a special order e...

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4121-UNC

Ring Gauge for American UNC Thread - Tolerance 2A

€33,90 - €199,00

€33,90

5-8 Working days

These specific products are a special order exclusively for you. Therefore, there is no possibility of cancellation or return of the products at a ...

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Ελεγκτήρες Σπειρωμάτων Δαχτυλίδια - Ανοχή 2A Johs

UNC

Ring Gauge for American UNC Thread - Tolerance 2A

€52,00 - €479,00

€52,00

5-8 Working days

Precision thread gauges Unified national coarse thread ASME B1.1 Gauge dimensions acc. ANSI / ASME B1.2 These specific products are a specia...

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4121-UNF

Ring Gauge for American UNF Thread - Tolerance 2A

€33,90 - €174,00

€33,90

Available

These specific products are a special order exclusively for you. Therefore, there is no possibility of cancellation or return of the products at a ...

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UNF

Ring Gauge for American UNF Thread - Tolerance 2A

€52,10 - €187,00

€52,10

5-8 Working days

Precision thread gauges Unified national fine thread ASME B1.1 Gauge dimensions acc. ANSI / ASME B1.2 These specific products are a special ...

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4121-UNEF

Ring Gauge for American Thread UNEF - Tolerance 2A

€53,60 - €206,00

€53,60

5-8 Working days

These specific products are a special order exclusively for you. Therefore, there is no possibility of cancellation or return of the products at a ...

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UNEF

Ring Gauge for American Thread UNEF - Tolerance 2A

€75,00 - €267,00

€75,00

5-8 Working days

These specific products are a special order exclusively for you. Therefore, there is no possibility of cancellation or return of the products at a ...

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Ελεγκτήρες Σπειρωμάτων Δαχτυλίδια BSF Johs

BSF

Ring Gauge for British Standard Fine Thread BSF - Tolerance 2A

€93,00 - €195,00

€93,00

5-8 Working days

Precision thread gauges British Standard Whitworth fine thread BS 84 Gauge dimensions acc. BS 919-2 These specific products are a special o...

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Ελεγκτήρες Σπειρωμάτων Δαχτυλίδια BSW Johs

BSW

Ring Gauge for British Standard Whitworth Thread BSW - Tolerance 2A

€82,00 - €344,00

€82,00

5-8 Working days

Precision thread gauges British Standard Whitworth thread BS 84 Gauge dimensions acc. BS 919-2 These specific products are a special order ...

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Ελεγκτήρες Σπειρωμάτων Δαχτυλίδια Αμερικάνικο Κωνικό Σωλήνα Johs

NPT

Ring Gauge for American NPT Tapered Thread Pipe - Tolerance 2A

€267,00 - €1.464,00

€267,00

5-8 Working days

Precision thread gauges American Standard taper pipe thread ASME B1.20.1 Taper 1:16 For threads used with jointing compound Gauge dimensio...

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Ελεγκτήρες Σπειρωμάτων Δαχτυλίδια Κωνικοί Whitworth Johs

Ring Gauge for British Whitworth Tapered Thread - Tolerance 2A

€133,00 - €642,00

€133,00

5-8 Working days

Precision thread gauges Tapered Whitworth pipe thread DIN 2999 Where pressure-tight joints are made on the threads Gauge dimensions acc. DIN 299...

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Inch thread ring gauges are precision inspection tools used to verify external inch-profile threads on bolts, studs, shafts, and threaded components. They provide a fast pass/fail check against specified tolerances, making them essential for quality assurance when you need consistent results without time-consuming dimensional measurement.

This collection includes GO/NO-GO ring gauges designed for acceptance and rejection testing, manufactured to tight accuracy requirements and built from durable materials for stability and wear resistance. You’ll find options across common inch thread diameters and pitches, suitable for both metrology labs and shop-floor inspection, from Johs and Insize, with a focus on repeatability and long service life.

Thread ring gauges are widely used by CNC machinists, production engineers, and QC departments in machining, fastener manufacturing, aerospace, and general industrial maintenance, wherever standardized inch thread verification and reliable conformity control are required.

Wiki

Thread Gauges

The thread gauges (thread gauges) are standard verification tools used to check the accuracy and compatibility of threads on screws and nuts. They are based on the "Go / No-Go" method, ensuring that the thread is within the specified tolerance limits for correct assembly and operation of the components.

Types: They are classified into standard rings (ring gauges) for external threads and standard plugs (plug gauges) for internal threads.
Applications: Essential in mass production, precision machining, and quality control of fastening components.
Standards: Manufactured according to international systems such as Metric (M), Whitworth (BSP) or Unified (UNC/UNF), from hardened high-strength steel.

Inch Thread Ring Gauges

Factory Johs. Boss (JBO)

Official Representation

INSIZE Factory

Official Representation

INSIZE Products

Factory Johs. Boss (JBO)

Official Representation

INSIZE Factory

Official Representation

INSIZE Products

Factory Johs. Boss (JBO)

Official Representation

INSIZE Factory

Official Representation

INSIZE Products

Factory Johs. Boss (JBO)

Official Representation

Factory Johs. Boss (JBO)

Official Representation

Factory Johs. Boss (JBO)

Official Representation

Factory Johs. Boss (JBO)

Official Representation

Factory Johs. Boss (JBO)

Official Representation

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