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


11ER1.25ISOK20 - Carmex Thread Turning External Insert - Metric - Right Hand
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | Metric |
| Pitch | 1.25 |
Learn more about Klarna
Compatible holders
The ones our customers buy most.Description
Carmex Thread Turning External Insert - Metric - Right Hand - 11ER1.25ISOK20 is a high-quality laydown triangular insert designed for external thread turning. It sits in an industry-leading range recognized worldwide, crafted to cover a broad spectrum of thread standards and applications.
Built to perform across a wide range of threading tasks, from basic to more demanding work, this insert delivers reliable results on a variety of standard threads while helping minimize tool changes and downtime.
- Wide thread standard compatibility: Designed to cover the majority of thread standards in use today, reducing the need for multiple inserts and simplifying sourcing.
- Versatile for basic to demanding applications: Suitable for a broad spectrum of threading tasks, adapting to different materials and job sizes with consistent results.
- Trusted quality and reliable performance: Part of an industry-leading range, these inserts are built for dependable, repeatable results across jobs and operators.
This insert helps streamline workflows by enabling quicker setup, fewer insert changes, and steady performance across varying threading challenges. With its metric, right-hand configuration, it provides a straightforward, dependable solution for engineers, buyers, tradespeople, hobbyists, and non-technical users seeking predictable threading results.
Part Numbers
- Protool Part Number
- 11ER1.25ISOK20
- 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.



