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JBO Thread Ring Gauge (NoGo) - BSF - Right Hand - Medium Class - 3/4 x 12
| Thread Form | BSF |
| Size | 3/4 |
| Pitch | 12 |
| Gauge Type | Ring Gauge (NoGo) |
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Description
JBO Thread Ring Gauge (NoGo) – BSF, Right Hand, Medium Class, 3/4 x 12 is a precision external thread gauge designed to verify BSF threads quickly and reliably. Ideal for manufacturing, automotive, aerospace, and maintenance environments, it helps ensure fasteners and fittings meet exact size and tolerance requirements. The NoGo design provides an immediate visual indication of non-conforming threads, helping prevent incorrect assemblies and costly rework.
- Go/NoGo verification for fast acceptance: The NoGo profile delivers an immediate pass/fail reading on external BSF threads, enabling quick, reliable inspections and reducing guesswork on the shop floor.
- Hardened steel construction for durability: Crafted from high-quality hardened steel, this gauge resists wear and corrosion, delivering long service life in busy production and QA environments.
- Right-hand BSF 3/4-12 compatibility with ergonomic handling: Precisely sized for standard right-hand BSF threads, featuring a knurled edge for secure grip and a red orientation marker for fast, repeatable setup.
This gauge helps streamline inspections, delivering repeatable measurements and clear pass/fail decisions that speed throughput while preserving accuracy. Its robust construction and exact sizing support reliable performance across manufacturing, automotive, and aerospace applications, reducing downtime and ensuring every threaded component meets specification.
Part Numbers
- Protool Part Number
- JBO-505546
- 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) - BSF
View full collection →You are viewing JBO-505546. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| JBO-520239 | 3/16 | 32 | £100.34 | 5 days | |
| JBO-520240 | 7/32 | 28 | £108.02 | 5 days | |
| JBO-501168 | 1/4 | 26 | £92.89 | 5 days | |
| JBO-520241 | 9/32 | 26 | £108.02 | 5 days | |
| JBO-501170 | 5/16 | 22 | £97.49 | 5 days | |
| JBO-501169 | 3/8 | 20 | £105.26 | 5 days | |
| JBO-520242 | 7/16 | 18 | £114.03 | 5 days | |
| JBO-501167 | 1/2 | 16 | £116.23 | 5 days | |
| JBO-507252 | 9/16 | 16 | £129.40 | 5 days | |
| JBO-520243 | 5/8 | 14 | £132.68 | 5 days | |
| JBO-520244 | 11/16 | 14 | £161.19 | 5 days | |
| JBO-505546 Viewing | 3/4 | 12 | £150.21 | 5 days | |
| JBO-540017 | 7/8 | 11 | £168.86 | 5 days | |
| JBO-501166 | 1 | 10 | £194.08 | 5 days |
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