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JBO Thread Ring Gauge (GO) - BSP (G) - Right Hand - Tol. A - 1 1/2 x 11
| Thread Form | BSP (G) |
| Size | 1 1/2 |
| Pitch | 11 |
| Gauge Type | Ring Gauge (GO) |
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The ones our customers buy most.Description
The JBO Thread Ring Gauge (GO) – BSP (G) – Right Hand – Tol. A – 1 1/2 x 11 is a Go-style ring gauge designed to verify external BSP G threads. Built for plumbing, fluid handling, and engineering environments, it helps technicians quickly check that fittings will mate and seal correctly.
The Go design provides a straightforward pass/fail indication for every thread inspected, helping you identify non-conforming components before assembly and preventing leaks or fit issues in critical systems.
- Go-style quick pass/fail checks: The Go design delivers immediate confirmation of compliant BSP G threads, speeding inspections and reducing downtime in both workshops and field service.
- BSP G 1 1/2 x 11 sizing for reliable compatibility: Precisely sized to BSP G standards, ensuring consistent engagement with mating fittings and dependable seal performance.
- Ergonomic, durable ring with knurled edge: Easy to grip in tight spaces and built for daily use on shop floors and job sites, helping maintain accuracy over time.
Using this gauge, you can speed up quality checks, improve assembly reliability, and cut rework. By providing clear go/no-go feedback on external BSP G threads, it helps you achieve consistent, leak-free connections, reduce downtime, and maintain traceability across batches and maintenance logs. It’s a straightforward, dependable tool that fits into daily workflows for plumbers, technicians, and engineers alike.
Part Numbers
- Protool Part Number
- JBO-501346
- Brand
- JBO
- Category
- Gauge
Need cutting data? Call 01732 887334 or email sales@protool-ltd.co.uk.
Delivery
Free UK mainland delivery on orders over £50 ex VAT. In-stock items ordered before 4:30pm are dispatched the same working day. Full delivery information.
Returns
14-day returns on unused stock items in original packaging. Special-order and bespoke tooling is non-returnable. Read our returns policy.
Technical Support
Over 30 years of machining experience behind the counter. Call 01732 887334, Mon–Thurs 8:30–17:30, Fri 8:30–16:30.
Trade Accounts
Credit accounts, contract pricing and scheduled call-off orders available for trade customers. Apply for an account.
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) - BSP (G)
View full collection →You are viewing JBO-501346. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| JBO-501361 | 1/16 | 28 | £111.84 | 5 days | |
| JBO-501376 | 1/8 | 28 | £58.90 | 5 days | |
| JBO-501371 | 1/4 | 19 | £70.07 | 5 days | |
| JBO-501399 | 3/8 | 19 | £83.11 | 5 days | |
| JBO-501362 | 1/2 | 14 | £95.39 | 5 days | |
| JBO-501408 | 5/8 | 14 | £115.14 | 5 days | |
| JBO-501391 | 3/4 | 14 | £116.23 | 5 days | |
| JBO-501414 | 7/8 | 14 | £150.21 | 5 days | |
| JBO-501337 | 1 | 11 | £141.45 | 5 days | |
| JBO-501358 | 1 1/8 | 11 | £169.96 | 5 days | |
| JBO-501352 | 1 1/4 | 11 | £174.35 | 5 days | |
| JBO-501346 Viewing | 1 1/2 | 11 | £196.27 | 5 days | |
| JBO-501359 | 1 3/4 | 11 | £230.28 | 5 days | |
| JBO-501381 | 2 | 11 | £239.05 | 5 days | |
| JBO-501386 | 2 1/4 | 11 | £289.49 | 5 days | |
| JBO-501385 | 2 1/2 | 11 | £326.75 | 5 days | |
| JBO-501388 | 2 3/4 | 11 | £350.89 | 5 days | |
| JBO-501389 | 3 | 11 | £379.41 | 5 days | |
| JBO-501390 | 3 1/2 | 11 | £458.34 | 5 days | |
| JBO-501405 | 4 | 11 | £531.81 | 5 days | |
| JBO-541338 | 4 1/2 | 11 | £702.86 | 5 days | |
| JBO-501407 | 5 | 11 | £804.85 | 5 days | |
| JBO-505329 | 5 1/2 | 11 | £903.54 | 5 days | |
| JBO-501413 | 6 | 11 | £1,005.50 | 5 days | |
| JBO-501377 | 1/8 | 28 | £85.75 | 5 days | |
| JBO-501372 | 1/4 | 19 | £102.53 | 5 days | |
| JBO-501400 | 3/8 | 19 | £121.72 | 5 days | |
| JBO-501363 | 1/2 | 14 | £127.21 | 5 days | |
| JBO-501392 | 3/4 | 14 | £151.32 | 5 days | |
| JBO-501338 | 1 | 11 | £177.65 | 5 days | |
| JBO-501347 | 1 1/2 | 11 | £241.24 | 5 days | |
| JBO-501380 | 1/8 | 28 | £79.07 | 5 days | |
| JBO-501375 | 1/4 | 19 | £94.96 | 5 days | |
| JBO-501404 | 3/8 | 19 | £109.22 | 5 days | |
| JBO-501370 | 1/2 | 14 | £126.10 | 5 days | |
| JBO-501412 | 5/8 | 14 | £150.21 | 5 days | |
| JBO-501398 | 3/4 | 14 | £155.70 | 5 days | |
| JBO-505910 | 7/8 | 14 | £196.27 | 5 days | |
| JBO-501344 | 1 | 11 | £182.03 | 5 days | |
| JBO-505562 | 1 1/8 | 11 | £224.79 | 5 days | |
| JBO-503057 | 1 1/4 | 11 | £228.09 | 5 days | |
| JBO-501351 | 1 1/2 | 11 | £254.39 | 5 days | |
| JBO-506387 | 1 3/4 | 11 | £299.34 | 5 days | |
| JBO-505564 | 2 | 11 | £312.51 | 5 days | |
| JBO-506388 | 2 1/4 | 11 | £377.19 | 5 days | |
| JBO-505565 | 2 1/2 | 11 | £424.36 | 5 days | |
| JBO-506389 | 2 3/4 | 11 | £458.34 | 5 days | |
| JBO-506390 | 3 | 11 | £493.44 | 5 days |
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