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


Carmex Thread Turning External Insert - MJ - Right Hand - 16ER1.25MJK20
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | MJ |
| Pitch | 1.25 |
Learn more about Klarna
Compatible holders
The ones our customers buy most.Description
Carmex Thread Turning External Insert - MJ - Right Hand - 16ER1.25MJK20 is an external threading insert built in a laydown triangular geometry. It’s designed to handle a broad range of thread standards, making it suitable for quick, reliable threading across many jobs.
Our industry-leading range of thread turning inserts is recognized worldwide. These high-quality laydown triangular inserts provide a solution for the majority of thread standards in use today, supporting a wide range of applications from the basic to the most demanding tasks.
- Wide thread-standards coverage: Designed to work with the majority of thread standards available today, reducing the need to stock multiple inserts and switch tools mid‑job.
- Laydown triangular design for stable cutting: The laydown geometry delivers stable engagement and smooth thread surfaces, helping you achieve consistent results with less vibration.
- Reliable performance across basic to demanding tasks: Built to support a broad spectrum of threading applications, from simple to highly demanding, with dependable results.
This insert helps streamline your machining workflow by enabling versatile, reliable threading with a single tool. You’ll experience more predictable results, fewer setup changes, and the confidence that comes from using a globally recognized range designed for consistent performance across a wide variety of thread standards.
Part Numbers
- Protool Part Number
- 16ER1.25MJK20
- 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.



