Please log in here to access all benefits, including promotional discounts and faster checkouts.
JBO Thread Ring Gauge (NoGo) - BSP (G) - Right Hand - Tol. A - 5 1/2 x 11
| Thread Form | BSP (G) |
| Size | 5 1/2 |
| Pitch | 11 |
| Gauge Type | Ring Gauge (NoGo) |
Learn more about Klarna
Compatible certification
The ones our customers buy most.
Description
JBO Thread Ring Gauge (NoGo) - BSP (G) - Right Hand - Tol. A - 5 1/2 x 11 is a precision tool for verifying external BSP G thread diameters on fittings, valves, and pipe components.
Designed for plumbing, fluid handling, and engineering environments, it helps ensure threads engage correctly and seal reliably by clearly indicating pass/fail with its NoGo design.
- NoGo verification for fast, unambiguous conformance checks: The NoGo feature makes out-of-spec threads immediately evident, reducing guesswork and rework in the workshop or on site.
- BSP (G) external thread compatibility: Precisely machined to BSP G standards to ensure consistent measurements against industry references, improving interchangeability across fittings and valves.
- Rugged, hand-friendly construction with knurled edge: Built to withstand daily use in dirty or damp environments, with a textured edge for secure handling and quick alignment.
By delivering reliable, quick checks, this gauge helps reduce rework, minimize leak risks, and keep assemblies moving. Its robust design and precise BSP G alignment translate to repeatable results, easier training for new technicians, and confidence that every threaded connection will thread in smoothly and seal effectively.
Part Numbers
- Protool Part Number
- JBO-505330
- 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 (NoGo) - BSP (G)
View full collection →You are viewing JBO-505330. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| JBO-500066 | 1/16 | 28 | £111.84 | 5 days | |
| JBO-500083 | 1/8 | 28 | £58.90 | 5 days | |
| JBO-500077 | 1/4 | 19 | £70.07 | 5 days | |
| JBO-500104 | 3/8 | 19 | £83.11 | 5 days | |
| JBO-500067 | 1/2 | 14 | £95.39 | 5 days | |
| JBO-500112 | 5/8 | 14 | £115.14 | 5 days | |
| JBO-500098 | 3/4 | 14 | £116.23 | 5 days | |
| JBO-500117 | 7/8 | 14 | £150.21 | 5 days | |
| JBO-500043 | 1 | 11 | £141.45 | 5 days | |
| JBO-500063 | 1 1/8 | 11 | £169.96 | 5 days | |
| JBO-500056 | 1 1/4 | 11 | £174.35 | 5 days | |
| JBO-500052 | 1 1/2 | 11 | £196.27 | 5 days | |
| JBO-500064 | 1 3/4 | 11 | £230.28 | 5 days | |
| JBO-500087 | 2 | 11 | £239.05 | 5 days | |
| JBO-500092 | 2 1/4 | 11 | £289.49 | 5 days | |
| JBO-500090 | 2 1/2 | 11 | £326.75 | 5 days | |
| JBO-500094 | 2 3/4 | 11 | £350.89 | 5 days | |
| JBO-500096 | 3 | 11 | £379.41 | 5 days | |
| JBO-500097 | 3 1/2 | 11 | £458.34 | 5 days | |
| JBO-500110 | 4 | 11 | £531.81 | 5 days | |
| JBO-540586 | 4 1/2 | 11 | £702.86 | 5 days | |
| JBO-540587 | 5 | 11 | £804.85 | 5 days | |
| JBO-505330 Viewing | 5 1/2 | 11 | £903.54 | 5 days | |
| JBO-540590 | 6 | 11 | £1,005.50 | 5 days | |
| JBO-500084 | 1/8 | 28 | £223.68 | 5 days | |
| JBO-500078 | 1/4 | 19 | £259.88 | 5 days | |
| JBO-500105 | 3/8 | 19 | £299.34 | 5 days | |
| JBO-500068 | 1/2 | 14 | £270.84 | 5 days | |
| JBO-500099 | 3/4 | 14 | £289.49 | 5 days | |
| JBO-500044 | 1 | 11 | £321.28 | 5 days | |
| JBO-503042 | 1 1/2 | 11 | £411.20 | 5 days | |
| JBO-500086 | 1/8 | 28 | £79.07 | 5 days | |
| JBO-500082 | 1/4 | 19 | £94.96 | 5 days | |
| JBO-500076 | 1/2 | 14 | £126.10 | 5 days | |
| JBO-500116 | 5/8 | 14 | £150.21 | 5 days | |
| JBO-500103 | 3/4 | 14 | £155.70 | 5 days | |
| JBO-505911 | 7/8 | 14 | £196.27 | 5 days | |
| JBO-500050 | 1 | 11 | £182.03 | 5 days | |
| JBO-506393 | 1 1/8 | 11 | £224.79 | 5 days | |
| JBO-503056 | 1 1/4 | 11 | £228.09 | 5 days | |
| JBO-505430 | 1 1/2 | 11 | £254.39 | 5 days | |
| JBO-506394 | 1 3/4 | 11 | £299.34 | 5 days | |
| JBO-505432 | 2 | 11 | £312.51 | 5 days | |
| JBO-506395 | 2 1/4 | 11 | £377.19 | 5 days | |
| JBO-505433 | 2 1/2 | 11 | £424.36 | 5 days | |
| JBO-506396 | 2 3/4 | 11 | £458.34 | 5 days | |
| JBO-506397 | 3 | 11 | £493.44 | 5 days |
No products match your filters.
