Please log in here to access all benefits, including promotional discounts and faster checkouts.
Carmex Thread Turning External Insert - 55 Degree Partial - Left Hand - 16ELAG55K20
| Thread Type | External |
| Thread Direction | Left Hand |
| Thread Form | 55 Degree Partial |
| Pitch | 0.5-3.0 (48-8) |
Learn more about Klarna
Compatible holders
The ones our customers buy most.
Description
Carmex Thread Turning External Insert – 55 Degree Partial – Left Hand (16ELAG55K20) is part of our industry-leading range of thread turning inserts. Recognized worldwide for reliability, these laydown triangular inserts are designed to cover the majority of thread standards used today.
They handle a wide range of applications—from basic threading tasks to the most demanding jobs—delivering consistent results with minimal tool changes and simpler setup.
- Broad thread-standard compatibility: Designed to cover the majority of thread standards in use today, reducing the need for multiple inserts and simplifying stocking.
- 55 Degree laydown triangular geometry: The 55-degree cutting edge and triangular laydown design deliver stable engagement, smooth cutting, and efficient chip evacuation for external threads.
- Left-hand external threading orientation: Optimized for left-hand threads, providing reliable, repeatable performance across common materials and applications.
This combination gives you a versatile, reliable tool that helps you complete more jobs faster, with consistent thread quality across materials. By reducing setup and inventory complexity, it supports smoother workflows, fewer interruptions, and better results—from simple projects to high-demand production runs.
Part Numbers
- Protool Part Number
- 16ELAG55K20
- 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.
