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


Carmex Thread Turning External Insert - 55 Degree Partial - Right Hand - 16ERAG55BLU
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | 55 Degree Partial |
| Pitch | 0.5-3.0 (48-8) |
Learn more about Klarna
Compatible holders
The ones our customers buy most.Description
The Carmex Thread Turning External Insert is a precision cutting insert designed for external threading on lathes and CNC machines. As part of our industry-leading range of thread turning inserts, it’s recognized worldwide for reliability and versatility. Featuring a 55-degree partial geometry and right-hand orientation, this laydown triangular insert covers a broad spectrum of thread standards, making it a flexible choice for both routine production and more demanding threading tasks.
- Broad thread-standards coverage: Designed to address the majority of thread standards in use today, reducing the need to stock multiple inserts and simplifying tool management across diverse jobs.
- 55° partial right-hand geometry for external threads: Delivers stable cutting action with clear thread form and consistent surface finish, even on challenging materials or higher feed rates.
- Durable, reliable performance across tasks: Built to perform from basic to demanding applications, delivering repeatable results and longer tool life in everyday production.
By choosing this Carmex insert, you streamline threading workflows with a versatile tool that adapts to most standards, reduces setup time, and minimizes tool changes. The consistent thread form and surface quality help you meet tight tolerances, while its robust construction supports reliable daily production and reduces downtime due to wear or rework. It’s a practical, proven choice for workshops aiming for dependable performance across a broad range of threading tasks.
Part Numbers
- Protool Part Number
- 16ERAG55BLU
- Brand
- Carmex
- Category
- Thread Turning
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.



