3-48 UNC [2B] - Go/No-Go Plug Thread Gauge (JBO Johs Boss) 3-48 UNC [2B] - Go/No-Go Plug Thread Gauge (JBO Johs Boss) (pack of 1)

Accu Product Code (APC): JBO-PG-512373

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3-48 UNC [2B] - Go/No-Go Plug Thread Gauge (JBO Johs Boss) 3-48 UNC [2B] - Go/No-Go Plug Thread Gauge (JBO Johs Boss) (pack of 1)

Accu Product Code (APC): JBO-PG-512373

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Accu Product Code (APC): JBO-PG-512373
Thead Size: 3-48 UNC
Hand: Right Hand
Gauge Type: Go/No-Go
Brand/Series: JBO Johs Boss
Provided Calibration: Uncalibrated
Manufacturing Standard: ANSI B1.2
Material: Steel
Material Family: Steel
Provided Certification: Certificate of Conformity
Suitable for UKAS Calibration: Yes - Enquire
System of Measurement: Imperial
Thread Pitch: 48 TPI
Tolerance Class: 2B
Weight per 100 Units: 10 kg

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3-48 UNC [2B] - Go/No-Go Plug Thread Gauge (JBO Johs Boss) Description

The 3-48 UNC [2B] - Go/No-Go Plug Thread Gauge (JBO Johs Boss) has the following features:

Brand/Series: JBO Johs Boss
Gauge Type: Go/No-Go
Hand: Right Hand
Manufacturing Standard: ANSI B1.2
Steel
Steel Material Family
Provided Calibration: Uncalibrated
Provided Certification: Certificate of Conformity
Suitable for UKAS Calibration: Yes - Enquire
System of Measurement: Imperial
Thead Size: 3-48 UNC
Thread Pitch: 48 TPI
Tolerance Class: 2B

Discover more about the Imperial UNC Plug Thread Gauges range.

Imperial UNC (Unified National Coarse) Plug Thread Gauges are precision-engineered tools designed to inspect and verify internal threads that conform to UNC standards. These gauges feature external threads carefully manufactured to match UNC specifications, ensuring that tapped holes, nuts and other internally threaded components meet exact tolerances. UNC threads are known for their coarse pitch, making them ideal for applications requiring strong, quick-assembly connections.

How Imperial UNC Plug Thread Gauges Work

These gauges are used to test the accuracy of internal threads by threading the gauge into the tapped hole. A "Go" gauge ensures the thread meets minimum size requirements by fitting smoothly without excessive force. A "No-Go" gauge confirms the thread does not exceed the maximum tolerance by failing to fully engage. This process is essential for quality control in industries like construction, automotive and manufacturing, where UNC threads are often used for high-strength applications. For example, these gauges can be employed to verify the internal threads of fasteners in heavy machinery, ensuring components fit securely and reliably.

The Materials Imperial UNC Plug Thread Gauges are Made From

Imperial UNC Plug Thread Gauges are typically made from hardened tool steel or high-grade alloy steel. These materials are chosen for their exceptional durability, wear resistance and ability to maintain precision over repeated use. Hardened tool steel ensures the gauge remains accurate, even in demanding environments.

The Sizes and Types of Imperial UNC Plug Thread Gauges Available

These gauges are available in a range of sizes corresponding to UNC thread standards. They accommodate common thread pitches associated with UNC threads, typically ranging from coarse threads for larger diameters to finer threads for smaller sizes. Both "Go" and "No-Go" gauges are required for comprehensive thread verification, ensuring internal threads conform to both minimum and maximum tolerance standards. Each gauge is manufactured to strict quality requirements, offering reliable and consistent results.

FAQs

Q: What is the difference between UNC and UNF threads?

A: UNC threads are coarse and designed for quick assembly and high-strength applications. UNF threads are finer, offering tighter fits for more precise assemblies.

Q: Why are UNC Plug Thread Gauges important?

A: They ensure internal threads meet Unified National Coarse standards, guaranteeing secure and compatible connections in threaded assemblies.

Q: Can UNC Plug Thread Gauges test existing threads?

A: Yes, these gauges can verify the accuracy of both new and existing internal threads to ensure they meet UNC standards.

Shipping Information

Shipping Destinations:

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Weight (100 items):

10kg

Component History

Product First Available:

Friday, March 31, 2017

Stock Last Updated:

11:37 PMWednesday, June 3, 2026

Specification Last Updated:

Wednesday, June 3, 2026

Barcodes

APC (Accu Product Code):

JBO-PG-512373

EAN13 (International Article No.):

5057196769544

ASIN (Amazon Stock Identification No.):

ASIN not defined.

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3-48 UNC [2B] - Go/No-Go Plug Thread Gauge (JBO Johs Boss) 3-48 UNC [2B] - Go/No-Go Plug Thread Gauge (JBO Johs Boss) (pack of 1)

3-48 UNC [2B] - Go/No-Go Plug Thread Gauge (JBO Johs Boss) 3-48 UNC [2B] - Go/No-Go Plug Thread Gauge (JBO Johs Boss) (pack of 1)

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