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11EL1.25ISOK20 - Carmex Thread Turning External Insert - Metric - Left Hand
| Thread Type | External |
| Thread Direction | Left Hand |
| Thread Form | Metric |
| Pitch | 1.25 |
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Carmex Thread Turning External Insert (Metric, Left Hand) is designed for external threading tasks across a wide range of thread standards. This high-quality, laydown triangular insert delivers reliable performance from basic jobs to the most demanding applications, making it a versatile tool for engineers, machinists, and workshops.
- Broad thread compatibility: Designed to cover the majority of thread standards in use today, reducing the need to stock multiple inserts and simplifying setup across projects.
- Laydown triangular geometry for stability: The laydown triangular design provides stable cutting engagement, helping you achieve consistent results across different feeds and materials.
- Metric left-handed threading optimized: Specifically suited for metric left-hand threads, enabling reliable engagement and predictable results in a range of threading operations.
With Carmex Thread Turning External Insert, you gain a versatile tool that simplifies threading work, reduces setup time, and delivers consistent external-thread results across multiple standards. The tool's robust design supports demanding applications while keeping operations smooth and predictable, helping you complete projects faster and with better surface quality.
Part Numbers
- Protool Part Number
- 11EL1.25ISOK20
- 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.



