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11EL36UNK20 - Carmex Thread Turning External Insert - UN (UNC,UNF,UNEF,UNS) - Left Hand
| Thread Type | External |
| Thread Direction | Left Hand |
| Thread Form | UN (UNC UNF UNEF UNS) |
| Pitch | 36 |
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Description
The Carmex Thread Turning External Insert—Left-Hand, model 11EL36UNK20, is a universal external thread turning insert designed for left-handed threads across UNC, UNF, UNEF, and UNS standards. This industry-leading, laydown triangular insert is built to cover a broad range of thread standards, delivering reliable performance across many threading tasks.
Designed for both professional shops and hobbyists, it handles—from basic to demanding applications—using a single versatile insert. This minimizes tool changes and simplifies inventory, so you can complete more work with fewer parts.
- Extensive thread compatibility: Supports UNC, UNF, UNEF, and UNS external thread standards, enabling you to tackle most threading jobs with one insert and reducing stocking needs.
- Left-Hand threading optimization: Specifically engineered for left-handed threads, ensuring reliable engagement and consistent results without reconfiguring tooling.
- Durable laydown triangular geometry: The robust triangular, laydown design provides stable cutting and long service life across a wide range of applications from simple to demanding tasks.
With the Carmex 11EL36UNK20 external insert, you gain a versatile tool that supports efficient workflows, fewer tool changes, and reliable, accurate left-hand thread results. Its broad compatibility and durable construction help you deliver consistent quality across projects, improving throughput and overall performance in your threading operations.
Part Numbers
- Protool Part Number
- 11EL36UNK20
- 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.
