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Carmex Thread Turning External Insert - W (BSW BSF BSP BSB) - Right Hand - 16ER40WBMA
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | W (BSW BSF BSP BSB) |
| Pitch | 40 |
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The ones our customers buy most.Description
The Carmex Thread Turning External Insert – W (BSW BSF BSP BSB) is a versatile right-hand external threading insert designed to cover the majority of thread standards. This insert, code 16ER40WBMA, provides a reliable solution for a wide range of threading tasks and is suitable for both simple jobs and more demanding applications.
- Broad thread-standard coverage: Compatible with BSW, BSF, BSP, and BSB external thread standards, helping you tackle diverse jobs with a single, dependable tool and reducing the need to stock multiple inserts.
- Laydown triangular geometry for stable cuts: The triangular, laydown design promotes steady cutting action and smooth chip flow, delivering consistent thread profiles across a variety of materials.
- Right-hand orientation for efficient setup: Specifically engineered for right-hand external threads, enabling quick, confident installation and streamlined setup to keep your workflow on track.
This insert is built to support reliable results across both basic and demanding applications, helping you reduce downtime, minimize tool changes, and achieve consistent thread quality that you can trust in production environments.
Part Numbers
- Protool Part Number
- 16ER40WBMA
- 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.



