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JBO Thread Ring Gauge (GO) - BSF - Right Hand - Medium Class - 5/8 x 14
| Thread Form | BSF |
| Size | 5/8 |
| Pitch | 14 |
| Gauge Type | Ring Gauge (GO) |
| Thread Direction | Right Hand |
| Tolerance | Medium Class |
Learn more about Klarna
The JBO Thread Ring Gauge (GO) for BSF threads is a precision go gauge that quickly verifies external right-hand threads. Sized 5/8 x 14 with a Medium class tolerance, it lets engineers, machinists, and quality inspectors confirm parts meet the exact BSF standard at a glance. Built from hardened steel, it stands up to daily use, resists wear, and delivers consistent performance in demanding workshop environments.
- Fast go/no-go verification: Quickly determine whether a threaded part conforms to the 5/8 x 14 BSF GO size, reducing inspection time and downstream rework.
- Precise BSF GO geometry: Engineered to the exact 5/8 x 14 right-hand GO profile with Medium class tolerance for reliable pass/fail readings.
- Rugged, wear‑resistant construction: Hardened steel withstands repeated testing on busy shop floors, maintaining accuracy and extending gauge life.
Using this gauge streamlines quality control by delivering fast, dependable measurements that translate into fewer bottlenecks and tighter production tolerances. Its durable construction supports long service life in demanding environments, while the clear go gauge feedback helps teams make confident, on-time decisions—keeping assemblies proceeding smoothly from inspection to final assembly.
| Thread Form | BSF |
| Size | 5/8 |
| Pitch | 14 |
| Gauge Type | Ring Gauge (GO) |
| Thread Direction | Right Hand |
| Tolerance | Medium Class |
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) - BSF
View full collection →You are viewing JBO-520237. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| JBO-540040 | 3/16 | 32 | £97.75 | 5 days | |
| JBO-520234 | 7/32 | 28 | £105.24 | 5 days | |
| JBO-502498 | 1/4 | 26 | £90.49 | 5 days | |
| JBO-520235 | 9/32 | 26 | £105.24 | 5 days | |
| JBO-502501 | 5/16 | 22 | £94.97 | 5 days | |
| JBO-502500 | 3/8 | 20 | £102.55 | 5 days | |
| JBO-520236 | 7/16 | 18 | £111.09 | 5 days | |
| JBO-502497 | 1/2 | 16 | £113.23 | 5 days | |
| JBO-507251 | 9/16 | 16 | £126.06 | 5 days | |
| JBO-520237 Viewing | 5/8 | 14 | £129.26 | 5 days | |
| JBO-520238 | 11/16 | 14 | £157.04 | 5 days | |
| JBO-502499 | 3/4 | 12 | £146.34 | 5 days | |
| JBO-540035 | 7/8 | 11 | £164.51 | 5 days | |
| JBO-502496 | 1 | 10 | £189.08 | 5 days |
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