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JBO Thread Ring Gauge (NoGo) - BSF - Right Hand - Medium Class - 9/16 x 16
| Thread Form | BSF |
| Size | 9/16 |
| Pitch | 16 |
| Gauge Type | Ring Gauge (NoGo) |
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Description
The JBO Thread Ring Gauge (NoGo) — BSF, Right Hand, Medium Class, 9/16 x 16 — is a precision tool designed to verify external thread diameters with speed and reliability. It’s ideal for professionals across manufacturing, automotive, and aerospace environments who need quick, accurate checks to confirm components meet exact thread specifications.
The NoGo design provides an at-a-glance indication of non-conforming threads, helping you prevent mismatches and improper assemblies during quality checks. Crafted from hardened steel, the gauge resists wear and maintains tight tolerances through demanding daily use.
- NoGo verification for fast pass/fail checks: Quickly identify out-of-tolerance threads and make confident go/no-go decisions for BSF right-hand threads at the 9/16 x 16 size and Medium Class.
- Durable hardened steel construction: Built to endure busy shop floors, with precision-ground dimensions that stay consistent across repeated inspections and long-term use.
- Ergonomic, grip-friendly design: Knurled edge and balanced form provide secure handling and smooth rotation during inspections, even with gloves on, reducing fatigue and improving measurement repeatability.
In daily QC workflows, this gauge helps you confirm thread compatibility, prevent assembly issues, and uphold consistency across parts and batches. Its robust construction and precise dimensions support reliable results, faster inspections, and clear documentation of conformance to standard thread specifications.
Part Numbers
- Protool Part Number
- JBO-507252
- 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-507252. 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 Viewing | 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 | 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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