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JBO Thread Ring Gauge (GO) - BSW - Right Hand - Medium Class - 5/16 x 18
| Thread Form | BSW |
| Size | 5/16 |
| Pitch | 18 |
| Gauge Type | Ring Gauge (GO) |
| Thread Direction | Right Hand |
| Tolerance | Medium Class |
Learn more about Klarna
The JBO Thread Ring Gauge (GO) - BSW - Right Hand - Medium Class - 5/16 x 18 is a precise external thread verification tool designed for quality assurance across manufacturing, machining, and repair applications. It helps engineers, inspectors, and shop personnel quickly determine whether threaded components meet the exact outer diameter and thread form requirements for reliable assembly.
Crafted from hardened steel, this GO gauge offers exceptional durability and wear resistance in demanding environments. Its straightforward ring design makes it easy to slip over the tested thread to confirm conformance, supporting efficient quality control and consistent results on the shop floor.
- Precise GO measurement for quick conformance: Designed to the exact 5/16 x 18 BSW right-hand Go size, enabling fast, reliable pass/fail checks that streamline inspection and assembly workflows.
- Hardened steel construction for durability: Built to endure daily use in busy workshops, resisting wear and corrosion so accuracy is preserved over time and through many cycles of testing.
- User-friendly inspection and quick identification: The ring design provides immediate, clear feedback, allowing operators to rapidly identify parts that conform and reduce rework or downtime.
Using the JBO Thread Ring Gauge (GO) ensures consistent thread quality across batches, supports accurate part interchangeability, and integrates smoothly into standard inspection routines. Its robust construction and easy handling help you make confident, on-the-spot decisions that keep production moving and quality uncompromised.
| Thread Form | BSW |
| Size | 5/16 |
| Pitch | 18 |
| 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 Gauge (GO) - BSW
View full collection →You are viewing JBO-502631. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| JBO-502615 | 1/8 | 40 | £111.09 | 5 days | |
| JBO-502626 | 3/16 | 24 | £82.37 | 5 days | |
| JBO-502614 | 1/4 | 20 | £79.38 | 5 days | |
| JBO-502631 Viewing | 5/16 | 18 | £85.58 | 5 days | |
| JBO-502629 | 3/8 | 16 | £89.74 | 5 days | |
| JBO-502635 | 7/16 | 14 | £94.76 | 5 days | |
| JBO-502613 | 1/2 | 12 | £100.21 | 5 days | |
| JBO-502640 | 9/16 | 12 | £112.17 | 5 days | |
| JBO-502633 | 5/8 | 11 | £120.71 | 5 days | |
| JBO-502628 | 3/4 | 10 | £131.39 | 5 days | |
| JBO-502638 | 7/8 | 9 | £152.77 | 5 days | |
| JBO-502606 | 1 | 8 | £170.91 | 5 days | |
| JBO-502608 | 1 1/8 | 7 | £191.21 | 5 days | |
| JBO-503134 | 1 1/4 | 7 | £208.32 | 5 days | |
| JBO-502611 | 1 3/8 | 6 | £229.67 | 5 days | |
| JBO-503133 | 1 1/2 | 6 | £249.97 | 5 days | |
| JBO-502610 | 1 3/4 | 5 | £291.63 | 5 days | |
| JBO-502619 | 2 | 4.5 | £334.36 | 5 days |
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