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JBO Thread Plug Gauge (GO) - Metric Coarse - Left Hand - 6H - M48 x 5
| Thread Form | Metric |
| Size | M48 |
| Pitch | 5 |
| Gauge Type | Plug Gauge (GO) |
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Description
The JBO Thread Plug Gauge (GO) - Metric Coarse - Left Hand - 6H - M48 x 5 is a precision inspection tool designed to verify the size and condition of metric coarse threaded holes. It is ideal for engineers, machinists, quality control professionals, and workshop technicians who need a reliable GO gauge to ensure components meet the required thread standards.
Built to endure demanding shop environments, this gauge features hardened steel construction for long-lasting wear resistance. Its precise design supports fast, repeatable measurements, helping teams accelerate inspections, reduce rework, and maintain consistent fitment across production runs.
- Accurate metric coarse GO gauge: Delivers precise checks for M48 x 5 coarse threads, enabling quick confirmation of hole size against standards and reducing guesswork.
- Durable hardened steel construction: Withstands daily use in busy workshops while maintaining measurement accuracy over time.
- Left Hand, 6H compatibility: Specifically designed to suit left-hand metric coarse threads and the 6H tolerance class for reliable engagement and results.
Together, these features help streamline quality control and precision assembly, delivering consistent results, faster inspections, and greater confidence that threaded connections will perform as intended in the final product.
Part Numbers
- Protool Part Number
- JBO-511137
- 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 Plug Gauges (GO) - Metric Coarse
View full collection →You are viewing JBO-511137. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| JBO-511110 | M42 | 4.5 | £111.84 | 5 days | |
| JBO-511122 | M45 | 4.5 | £119.52 | 5 days | |
| JBO-511136 | M48 | 5 | £128.29 | 5 days | |
| JBO-511174 | M52 | 5 | £137.06 | 5 days | |
| JBO-511187 | M56 | 5.5 | £153.51 | 5 days | |
| JBO-511211 | M60 | 5.5 | £171.05 | 5 days | |
| JBO-511218 | M64 | 6 | £187.50 | 5 days | |
| JBO-513504 | M68 | 6 | £200.65 | 5 days | |
| JBO-514598 | M42 | 4.5 | £141.45 | 5 days | |
| JBO-513679 | M45 | 4.5 | £151.32 | 5 days | |
| JBO-511137 Viewing | M48 | 5 | £162.28 | 5 days | |
| JBO-514599 | M52 | 5 | £173.24 | 5 days |
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