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JBO Thread Ring Gauge (Go/NoGo) - NPT - Right Hand - 3 x 8
| Thread Form | NPT |
| Size | 3 |
| Pitch | 8 |
| Gauge Type | Ring Gauge (Go/NoGo) |
| Thread Direction | Right Hand |
| Tolerance | N/A |
Learn more about Klarna
The JBO Thread Ring Gauge (Go/NoGo) for NPT, Right Hand, 3 x 8 is a precision measurement tool designed to verify threaded pipe connections quickly and reliably. It is ideal for plumbers, pipe fitters, inspectors, and manufacturers who need confident, repeatable checks of NPT fittings.
With its meticulous design and precise dimensions, this gauge enables efficient inspection of threaded pipe fittings, ensuring proper fitment and sealing capabilities. The Go/NoGo design allows quick identification of conforming versus non-conforming threads and helps ensure adherence to NPT standards and specifications.
- Go/NoGo quick verification: Quickly identify conforming vs non-conforming threads with a simple pass/fail test, speeding up quality checks and reducing inspection time.
- NPT right-hand compatibility: Specifically designed for right-hand NPT threads, ensuring accurate engagement with standard pipe fittings and consistent results across job sites.
- Durable, reliable design: Built for everyday workshop use with precise dimensions that deliver repeatable measurements and dependable performance across plumbing, oil and gas, and manufacturing applications.
Using this gauge helps streamline workflows by validating thread quality before assembly, reducing rework and leak risks, and improving overall project outcomes. Its Go/NoGo capability, NPT alignment, and durable construction support accurate, repeatable results and confidence from the shop floor to the field.
| Thread Form | NPT |
| Size | 3 |
| Pitch | 8 |
| Gauge Type | Ring Gauge (Go/NoGo) |
| Thread Direction | Right Hand |
| Tolerance | N/A |
What time are Protool open?
We are open Monday to Friday between 8:30am and 5pm.
Do you offer Free Next Day delivery?
Yes! We offer Free Next Day delivery via Royal Mail Tracked 24 on all orders over £50 ex VAT*. We also offer Free DPD Local Next Day delivery on all orders over £100 ex VAT*.
We also offer the following:
- Royal Mail Tracked 24 — £5.90 (FREE on orders over £50 ex VAT*). Order before 4:30pm for next day delivery. No signature required.
- DPD Local Next Day — £8.00 (FREE on orders over £100 ex VAT*). Standard next day delivery to UK mainland addresses.
- Royal Mail Special Delivery — £12.50. Guaranteed delivery before 1pm the next working day.
- DPD Saturday Delivery — £25.00. Must be ordered on Friday before 4pm. Pre-12pm delivery.
For delivery to Scottish Highlands & Islands, Northern Ireland, Republic of Ireland, or overseas locations, additional charges apply. Please see our delivery page for full details, or call us on 01732 887 334.
*T's & C's and exclusions apply. Please see our delivery page for more information on all our services.
Full Range: JBO Thread Ring Gauges (Go/NoGo) - NPT
View full collection →You are viewing JBO-502679. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| JBO-502671 | 1/16 | 27 | £287.29 | 5 days | |
| JBO-502675 | 1/8 | 27 | £266.46 | 5 days | |
| JBO-502673 | 1/4 | 18 | £273.04 | 5 days | |
| JBO-502681 | 3/8 | 18 | £285.10 | 5 days | |
| JBO-502672 | 1/2 | 14 | £310.32 | 5 days | |
| JBO-502680 | 3/4 | 14 | £338.82 | 5 days | |
| JBO-502668 | 1 | 11.5 | £383.79 | 5 days | |
| JBO-502670 | 1 1/4 | 11.5 | £450.66 | 5 days | |
| JBO-502669 | 1 1/2 | 11.5 | £495.63 | 5 days | |
| JBO-502677 | 2 | 11.5 | £606.39 | 5 days | |
| JBO-502678 | 2 1/2 | 8 | £695.20 | 5 days | |
| JBO-502679 Viewing | 3 | 8 | £887.08 | 5 days | |
| JBO-542056 | 3 1/2 | 8 | £1,211.67 | 5 days | |
| JBO-502683 | 4 | 8 | £1,459.46 | 5 days |
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