Please log in here to access all benefits, including promotional discounts and faster checkouts.

16EL6STACMEBMA - Carmex Thread Turning External Insert - Stub Acme - Left Hand
| Thread Type | External |
| Thread Direction | Left Hand |
| Thread Form | Stub Acme |
| Pitch | 6 |
Learn more about Klarna
Compatible holders
The ones our customers buy most.Description
Carmex Thread Turning External Insert - Stub Acme - Left Hand - 16EL6STACMEBMA is a versatile cutting insert designed for external thread turning. Its laydown triangular geometry provides stable cutting action and broad compatibility with a wide range of thread standards, including stub Acme left-hand threads. Model 16EL6STACMEBMA is built to perform across light to demanding applications, delivering consistent results with every pass.
Ideal for machining shops, maintenance teams, engineers, and hobbyists who rely on reliable, repeatable threads, this insert minimizes tool changes while expanding the range of jobs you can tackle with a single tool. Its geometry and construction are purpose-built to support smooth operation across a variety of materials and thread profiles.
- Broad thread-standards coverage: One insert provides a solution for the majority of thread standards, reducing tool changes and simplifying inventory so you can move from task to task without interruptions.
- Durable, reliable performance: Designed to deliver consistent, long-lasting cutting across basic to demanding applications, helping you achieve clean threads and lower rework.
- Easy mounting and setup: The laydown triangular shape with a central mounting feature allows quick, secure fitting into standard holders, cutting setup time and improving workflow.
With Carmex, you gain dependable thread quality, faster turnaround, and a streamlined machining process. This insert supports steady productivity, reduces downtime, and helps you achieve precise, repeatable results across a wide range of threading tasks.
Part Numbers
- Protool Part Number
- 16EL6STACMEBMA
- 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.










