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


Carmex Thread Turning External Insert - W (BSW BSF BSP BSB) - Left Hand - 16EL14WBMA
| Thread Type | External |
| Thread Direction | Left Hand |
| Thread Form | W (BSW BSF BSP BSB) |
| Pitch | 14 |
| Insert Size | 16 |
| Grade | BMA |
Learn more about Klarna
Carmex Thread Turning External Insert - W (BSW BSF BSP BSB) - Left Hand - 16EL14WBMA is an external thread turning insert built for versatility and consistent results across a wide range of thread standards. The laydown triangular geometry supports cutting across BSW, BSF, BSP and BSB threads, helping you complete jobs with one reliable tool. Designed for left-hand threading, it fits common holders and streamlines setup.
From simple, routine work to more demanding production tasks, this insert delivers reliable performance and predictable thread quality, making it a practical choice for engineers, technicians, and shop floors alike.
- Broad thread-standard compatibility: Cuts across the majority of thread standards today (BSW, BSF, BSP, BSB), reducing tool changes and keeping inventories lean so you can respond quickly to changing job needs.
- Left-hand threading-ready geometry: Optimized for left-hand operations, delivering stable, predictable cuts and cleaner thread profiles with fewer passes and less rework.
- Durable, reliable performance across tasks: Engineered to perform consistently from simple, everyday threads to more demanding applications, helping you achieve repeatable results with longer tool life and less downtime.
This insert supports your workflow by delivering consistent thread quality, faster setup, and fewer interruptions. With broad compatibility, dependable performance, and a left-hand orientation that fits a variety of machines, it helps you complete more work accurately and efficiently—whether you’re in a workshop, a job shop, or a maintenance department.
| Thread Type | External |
| Thread Direction | Left Hand |
| Thread Form | W (BSW BSF BSP BSB) |
| Pitch | 14 |
| Insert Size | 16 |
| Grade | BMA |
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.