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Carmex Thread Turning External Insert - W (BSW BSF BSP BSB) - Right Hand - 16ER18WBMA
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | W (BSW BSF BSP BSB) |
| Pitch | 18 |
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Description
Carmex Thread Turning External Insert – W is a right-handed tool designed for turning external threads to the major standards you work with, including BSW, BSF, BSP, and BSB. The 16ER18WBMA model fits standard external threading applications and sits in Carmex’s globally trusted range of thread turning inserts. Built for reliability across a broad spectrum of jobs, it’s ideal for machine shops, maintenance teams, and hobbyists who need consistent, accurate threads from simple prototypes to demanding production runs.
- Broad thread standard compatibility: The insert supports BSW, BSF, BSP, and BSB thread forms, letting you complete diverse projects with a single tool and reducing tool-change downtime.
- Stable cutting for a wide range of applications: The laydown triangular geometry provides secure seating and steady cutting action, delivering repeatable, clean thread profiles from basic to challenging jobs.
- Built for reliability and ease of use: Designed for predictable performance and straightforward indexing, enabling quick replacements and minimal downtime in busy workshops.
This Carmex external insert helps improve workflow by delivering consistent thread quality with fewer reworks, enabling faster setup and safer, more dependable production runs. Its robust design supports long tool life and reliable results that you can trust across multiple threading standards.
Part Numbers
- Protool Part Number
- 16ER18WBMA
- 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.
