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JBO Thread Ring Gauge (GO) - Trapezoidal - Right Hand - 7e - Tr. 28 x 5
| Thread Form | Trapez |
| Size | Tr. 28 |
| Pitch | 5 |
| Gauge Type | Ring Gauge (GO) |
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Description
The JBO Thread Ring Gauge (GO) is a precision instrument designed for go/no-go evaluation of external trapezoidal threads. Sized for right-hand, 7e class threads (28 x 5), it empowers shops across manufacturing, automotive, and mechanical engineering to verify that threaded components meet exact diameter specifications during routine inspection and quality control.
Crafted from hardened steel for exceptional wear resistance, this ring gauge delivers durable, long-lasting performance in busy workshop environments. Its user-friendly, straightforward design makes it easy to identify conforming parts at a glance, speeding up inspections and reducing guesswork.
- Fast Go/No-Go verification: Quickly confirm whether a part’s external trapezoidal thread diameter matches the specified tolerance, speeding up quality checks and reducing rework.
- Hardened steel, wear-resistant construction: Built to withstand daily use in demanding environments, delivering long service life and stable measurements over many cycles.
- User-friendly trapezoidal right-hand design: Clear visual cues and a comfortable knurled exterior help you identify compliant parts with confidence during inspection.
With the JBO GO Thread Ring Gauge, you gain reliable, repeatable measurements that support consistent quality, faster decision-making on the shop floor, and a smoother overall inspection workflow. Its durable build minimizes downtime from tool wear, while its precise dimensions keep your threaded assemblies in-spec, every time.
Part Numbers
- Protool Part Number
- JBO-503465
- 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 (GO) - Trapezoidal
View full collection →You are viewing JBO-503465. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| JBO-502538 | Tr. 8 | 1.5 | £274.12 | 5 days | |
| JBO-502508 | Tr. 10 | 2 | £279.61 | 5 days | |
| JBO-502510 | Tr. 11 | 2 | £284.00 | 5 days | |
| JBO-502512 | Tr. 12 | 3 | £287.29 | 5 days | |
| JBO-502515 | Tr. 14 | 3 | £290.57 | 5 days | |
| JBO-502517 | Tr. 16 | 4 | £301.53 | 5 days | |
| JBO-503375 | Tr. 18 | 4 | £305.94 | 5 days | |
| JBO-502521 | Tr. 20 | 4 | £316.90 | 5 days | |
| JBO-502523 | Tr. 22 | 5 | £333.35 | 5 days | |
| JBO-502525 | Tr. 24 | 5 | £349.78 | 5 days | |
| JBO-502527 | Tr. 26 | 5 | £362.95 | 5 days | |
| JBO-503465 Viewing | Tr. 28 | 5 | £379.41 | 5 days | |
| JBO-502531 | Tr. 30 | 6 | £394.75 | 5 days | |
| JBO-502825 | Tr. 32 | 6 | £406.82 | 5 days |
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