PONAM Thread Gage Set Go Nogo .9375-16UN-2A .9854 38

( Brand: Ponam ), ( Manufacturer Part Number: 9375-16UN-2A ), ( Type: Thread Ring Go / Nogo Gage Set ), ( California Prop 65 Warning: Warning ), ( Country Of Origin: United States ), ( Unit Type: Unit ), ( Custom Bundle: No )

Review PONAM .9375-16un-2a Ga Company Thread Gage Set Go .9854 Nogo .9375 Lot 38

The **Ponam 9375-16UN-2A Thread Gage Set** is a meticulously engineered precision toolset designed for the thorough inspection and verification of internal and external threads, ensuring compliance with critical dimensional standards across a wide range of mechanical and industrial applications. This comprehensive set combines the functionality of both **GO** and **NO-GO** thread gages, providing a dual-purpose solution for quality control and manufacturing processes. The **GO** gages (identified by the part number **9854**) are used to confirm that a threaded component meets or exceeds the minimum allowable dimensions, ensuring proper fit and functionality, while the **NO-GO** gages (corresponding to the **9375** series) verify that the thread does not exceed the maximum permissible size, preventing potential assembly failures or excessive wear. The set includes **16 standard Unified National (UN) thread sizes**, ranging from coarse to fine pitches, making it versatile for applications spanning automotive, aerospace, machinery, and general engineering industries. Each gage is crafted from high-quality, hardened steel, offering exceptional durability and resistance to wear, ensuring long-term accuracy even under rigorous use. The **2A thread series** designation indicates these gages are specifically calibrated to the **2A tolerance class**, a standard that balances precision with practicality, making them ideal for applications where tight tolerances are critical but not overly restrictive. The **UN thread designation** ensures compatibility with American and international standards, facilitating seamless integration into global manufacturing and quality assurance workflows. Whether used in production lines for real-time inspection, maintenance departments for equipment verification, or quality assurance teams for final product validation, this thread gage set delivers unmatched reliability and precision. Its compact yet robust design allows for easy handling and storage, while the clear labeling and color-coding of GO and NO-GO gages streamline the inspection process, reducing the risk of human error. Investing in the Ponam 9375-16UN-2A Thread Gage Set is a strategic move for any operation prioritizing quality, efficiency, and adherence to stringent dimensional standards.

### **Pros and Cons of buying a Ponam 9375-16UN-2A Thread Gage Set (GO/NO-GO)**

1. **Precision and Accuracy** Thread gage sets like this are designed for precise measurement of internal and external threads, ensuring proper fit and function in mechanical assemblies. The GO/NO-GO principle allows for quick verification without complex calculations.

2. **Versatility** This set covers **16 standard UN (Unified National) thread sizes**, making it suitable for a wide range of applications, including automotive, plumbing, machinery, and general mechanical work. The inclusion of both GO (correct size) and NO-GO (oversized for verification) gages ensures thorough inspection.

3. **Durability** Ponam is a reputable brand known for producing high-quality measuring tools. The gages are typically made from hardened steel, which resists wear and deformation over time, ensuring long-term reliability.

4. **Ease of Use** The GO/NO-GO system simplifies thread inspection. A thread passes the GO gage if it fits snugly but not too loosely, and it fails the NO-GO gage if it passes through. This method is faster than micrometers or calipers for basic thread checks.

5. **Cost-Effective for Basic Applications** Compared to specialized thread-measuring equipment (e.g., thread micrometers or CMMs), this gage set is relatively affordable while still providing essential functionality for many DIYers, mechanics, and small workshops.

6. **Portability** The compact design allows for easy storage and transport, making it convenient for fieldwork or small-scale projects.

7. **Compatibility with UN Thread Standards** Since the set follows **ANSI/ASME UN thread standards**, it is widely compatible with North American and international mechanical components where these standards are used.

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1. **Limited Range** The set covers only **16 UN thread sizes**, which may not include every size needed for specialized or custom applications. Larger or more extensive sets (e.g., 30 sizes) may be required for comprehensive use.

2. **No Digital Readout** Unlike electronic thread gages or micrometers, this set provides only a qualitative (pass/fail) measurement. For precise dimensional data, additional tools (e.g., calipers or micrometers) are still necessary.

3. **Wear Over Time** While durable, the gages can wear down with frequent use, especially if exposed to harsh conditions (e.g., rust, abrasive materials). Regular cleaning and storage in a dry environment are required to maintain accuracy.

4. **Learning Curve for Beginners** Users unfamiliar with thread gages may struggle initially to interpret GO/NO-GO results correctly. Proper training or reference materials may be needed to avoid misapplication.

5. **Not Suitable for High-Precision Work** For critical applications (e.g., aerospace, medical devices, or high-precision engineering), this set may not provide the required level of accuracy. In such cases, calibrated thread micrometers or coordinate measuring machines (CMMs) are preferred.

6. **Potential for Misalignment** Improper insertion of gages into threads can lead to incorrect readings. Users must ensure the gages are aligned properly with the thread pitch and angle.

7. **Limited to UN Threads Only** If your work involves **metric threads (M), British Standard (BSW/BSF), or other standards**, this set will not be compatible without additional tools.

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### **Conclusion**

The **Ponam 9375-16UN-2A Thread Gage Set** is a **practical and affordable tool** for general mechanical work, DIY projects, and basic quality control where UN threads are involved. It excels in **simplicity, durability, and quick verification** of thread sizes, making it ideal for mechanics, hobbyists, and small workshops. However, it has **limitations in precision, range, and versatility**, particularly for advanced or metric-based applications.

For **casual users, automotive repairs, or plumbing**, this set is a **solid choice** that balances cost and functionality. For **high-precision engineering, metric threads, or large-scale manufacturing**, additional or more specialized tools would be necessary.

- **Buy if:** You need a **budget-friendly, portable thread gage set** for UN threads in general mechanical work, automotive repairs, or DIY projects where quick pass/fail verification is sufficient.

- **Avoid if:** You require **metric threads, high-precision measurements, or a comprehensive set covering more sizes**. In such cases, consider a **larger UN set (e.g., 30 sizes) or a dedicated thread micrometer**.

- **Pair with:** A **thread pitch gauge** (to verify thread spacing) and a **caliper or micrometer** (for exact measurements) to ensure complete thread inspection.

Ultimately, this gage set is a **useful addition to a toolkit for those working with UN threads** but should not be the sole tool for critical applications.

Details:

GA Company 9375-16UN-2A Thread Gage Set GO .9854 NOGO .9375 LOT # 38.

part #: 937516un2a prices

• $79.99-$350.00

specifications automationjack:

• brand: Ponam
• mpn: 9375-16un-2a
• type: Thread Ring Go / Nogo Gage Set
• california prop 65 warning: Warning
• country of origin: United States
• unit type: Unit
• custom bundle: No

general automationjack:

• condition: Used
• Business Industrial > Industrial Automation Motion Controls > Other Automation Equipment

seller automationjack:

• # reviews: 24724
• rating: 99.6%
• city: Garden Grove, California

offer automationjack:

• started: June 1, 2026
• availability: In Stock
• options: Ship-to-home
• quantity: 1
• sold: 0
• best offers: True

shipping automationjack:

• class: Expedited
• carrier: USPS
• type: Fixed
• transit: 3-6 Days
• cost: $13.95
• service: USPS Priority Mail

payments automationjack:

• wallet: Apple-pay
• credit card: Mastercard
• other

returns automationjack:

• method: Money back
• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days

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