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Carmex Thread Turning Internal Insert - ACME - Left Hand - 16IL10ACMEK20
| Thread Type | Internal |
| Thread Direction | Left Hand |
| Thread Form | ACME |
| Pitch | 10 |
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Carmex Thread Turning Internal Insert for ACME Left Hand (16IL10ACMEK20) is a versatile internal threading insert that leverages a laydown triangular geometry. It’s designed to provide a reliable solution across a wide range of thread standards in today’s manufacturing environments, helping you tackle both standard and more demanding internal threading tasks with confidence.
- Wide compatibility with major thread standards: The laydown triangular design is intended to cover the majority of common thread standards, helping you complete diverse projects with a single, reliable insert and reduce the need for frequent tool changes.
- Durable, stable cutting edges for long tool life: Built with high-quality geometry and a robust cutting edge to deliver consistent internal thread profiles, minimize chatter, and extend use between insert replacements.
- Left-hand ACME threading readiness: Specifically optimized for left-hand ACME threads, ensuring reliable engagement and repeatable, smooth cutting performance across a variety of applications.
This insert supports a broad range of internal threading applications, from straightforward to more challenging tasks, while helping maintain steady workflow and predictable results. Its design emphasizes reliability and consistency, so you can complete jobs with fewer interruptions and greater confidence in the final thread quality.
Part Numbers
- Protool Part Number
- 16IL10ACMEK20
- 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.



