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Carmex Thread Turning Internal Insert - American Butress - Left Hand - 16IL12ABUTK20
| Thread Type | Internal |
| Thread Direction | Left Hand |
| Thread Form | American Butress |
| Pitch | 12 |
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Description
The Carmex Thread Turning Internal Insert from American Butress is part of an industry-leading range of thread turning inserts recognized worldwide. This left-hand, laydown triangular insert is designed for internal threading and covers a broad spectrum of thread standards, making it a versatile choice for many projects.
From basic tasks to the most demanding applications, these high-quality inserts deliver reliable results across a wide range of materials and conditions.
- Broad thread-standards compatibility: Designed to cover the majority of thread standards in use today, enabling you to complete many internal threading tasks with a single insert and minimize tool changes.
- Stable laydown triangular geometry: The laydown triangular shape provides consistent cutting action and predictable results, helping you achieve smooth, accurate internal threads on a variety of materials.
- Left-hand internal threading readiness: Specifically configured for left-hand threads, this insert simplifies setup and ensures reliable performance in common left-handed threading operations.
Together, these advantages help improve workflow, reduce downtime, and deliver consistent, clean internal threads across a wide range of projects. The Carmex insert is a dependable choice for engineers, machinists, and technicians who value precision and repeatability in everyday threading tasks.
Part Numbers
- Protool Part Number
- 16IL12ABUTK20
- 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.
