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JBO Thread Plug Gauge - BSP (G) Go/No-Go - Left Hand - 3/8 x 19
| Thread Form | BSP (G) |
| Size | 3/8 |
| Pitch | 19 |
| Gauge Type | Plug Gauge (D/E) |
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Description
The JBO Thread Plug Gauge – BSP (G) Go/No-Go, Left Hand, 3/8 x 19 is a precise inspection tool designed for plumbers, process engineers, and workshop technicians. It lets you quickly verify that BSP (G) threaded fittings conform to the exact size and thread form required for reliable, leak-free connections. Ideal for manufacturing floors, service trucks, and job sites where fast, accurate thread checks are essential.
- Go/No-Go quick verification: fast pass/fail assessment for BSP (G) 3/8 x 19 left-hand threads, reducing inspection time and eliminating guesswork during assembly.
- Left-hand BSP (G) thread design: specifically engineered to match LH BSP (G) fittings, ensuring accurate gauging and preventing mismatches in critical connections.
- Rugged, ergonomic construction: durable metal body with a knurled, slip-resistant grip for reliable use in busy workshops and field environments, built to withstand regular use.
Using this gauge streamlines quality control, helping your team confirm correct thread engagement and seal integrity before installation. It supports consistent results, minimizes downtime from incorrect parts, and gives you confidence that each BSP (G) left-hand connection will perform as intended across plumbing, fluid handling, and engineering applications.
Part Numbers
- Protool Part Number
- JBO-511600
- 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 - BSP (G) Go/No-Go
View full collection →You are viewing JBO-511600. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| JBO-511577 | 1/16 | 28 | £98.03 | 5 days | |
| JBO-511589 | 1/8 | 28 | £66.68 | 5 days | |
| JBO-511584 | 1/4 | 19 | £73.47 | 5 days | |
| JBO-511597 | 3/8 | 19 | £84.22 | 5 days | |
| JBO-511578 | 1/2 | 14 | £96.83 | 5 days | |
| JBO-511601 | 5/8 | 14 | £106.37 | 5 days | |
| JBO-511593 | 3/4 | 14 | £111.84 | 5 days | |
| JBO-511602 | 7/8 | 14 | £137.06 | 5 days | |
| JBO-511573 | 1 | 11 | £137.06 | 5 days | |
| JBO-511576 | 1 1/8 | 11 | £166.67 | 5 days | |
| JBO-511592 | 1/8 | 28 | £92.32 | 5 days | |
| JBO-511588 | 1/4 | 19 | £96.40 | 5 days | |
| JBO-511600 Viewing | 3/8 | 19 | £110.75 | 5 days | |
| JBO-511583 | 1/2 | 14 | £126.10 | 5 days | |
| JBO-514699 | 5/8 | 14 | £137.06 | 5 days | |
| JBO-511596 | 3/4 | 14 | £148.02 | 5 days | |
| JBO-514044 | 7/8 | 14 | £183.12 | 5 days | |
| JBO-511575 | 1 | 11 | £178.73 | 5 days | |
| JBO-517310 | 1 1/8 | 11 | £222.60 | 5 days |
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