Please log in here to access all benefits, including promotional discounts and faster checkouts.

JBO Thread Plug Gauge (GO) - BSW - Right Hand - Medium Class - 2 x 4.5
| Thread Form | BSW |
| Size | 2 |
| Pitch | 4.5 |
| Gauge Type | Plug Gauge (GO) |
Learn more about Klarna
Compatible certification
The ones our customers buy most.Description
The JBO Thread Plug Gauge (GO) for BSW Right Hand, Medium Class, 2 x 4.5 is a precision go gauge designed to verify threaded holes in manufacturing, automotive, and aerospace environments. It helps inspectors and machinists quickly confirm that internal threads meet Unified thread standards and specifications, ensuring proper fit and function.
In busy shops and on the production line, fast, reliable thread verification matters. The go design makes it easy to identify properly formed threads at a glance, supporting higher first-pass yield and reducing downtime due to faulty assemblies.
- Precise BSW Right-Hand Go Gauge: Quickly verify that the threaded holes meet the go specification for right-hand BSW threads, speeding inspections and minimizing guesswork during assembly.
- Medium Class Tolerance for Consistent Results: Delivers dependable checks within standard inspection limits, helping you maintain consistent quality across lots and shifts.
- Rugged, Easy-to-Handle Design: Knurled grip and robust construction provide secure handling in busy workshop environments, enabling smooth insertion, removal, and long service life.
Designed for durability and reliability, this gauge supports streamlined QA workflows, reduces rework, and helps your team make confident, data-backed decisions about thread quality. Use it to speed up inspections, protect critical components, and keep production moving with precise, repeatable results.
Part Numbers
- Protool Part Number
- JBO-511410
- 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) - BSW
View full collection →You are viewing JBO-511410. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| JBO-513933 | 1 3/4 | 5 | £167.77 | 5 days | |
| JBO-511410 Viewing | 2 | 4.5 | £197.38 | 5 days |
No products match your filters.



