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11EL0.75ISOK20 - Carmex Thread Turning External Insert - Metric - Left Hand
| Thread Type | External |
| Thread Direction | Left Hand |
| Thread Form | Metric |
| Pitch | 0.75 |
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The Carmex Thread Turning External Insert (Metric - Left Hand) 11EL0.75ISOK20 is a purpose-built tool insert designed specifically for external threading on metric left‑hand threads. It’s ideal for shops and technicians handling a variety of thread standards, offering reliable performance across a broad range of tasks.
As part of Carmex’s industry-leading range of thread turning inserts, this laydown triangular design is engineered to cover the majority of thread standards in use today, providing a practical solution for everything from routine work to more demanding applications.
- Broad thread compatibility: A single insert covers the majority of common thread standards, reducing tool changes and stocking needs for diverse jobs.
- Laydown triangular design: Stable engagement and efficient chip control translate to smoother cuts and consistent results across a range of materials.
- Metric left-hand threading ready: Optimized for metric left-hand threads, delivering reliable, predictable performance on external turning operations.
With this insert, you can streamline threading work, reduce downtime, and achieve consistent thread quality across varying projects. Its versatile compatibility and robust design help you complete tasks efficiently while maintaining accuracy and finish.
Part Numbers
- Protool Part Number
- 11EL0.75ISOK20
- 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.



