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16IR18WBLU - Carmex Thread Turning Internal Insert - W (BSW BSF BSP BSB) - Right Hand
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | W (BSW BSF BSP BSB) |
| Pitch | 18 |
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The Carmex Thread Turning Internal Insert is a precision cutting insert designed specifically for internal threading on machine tools. As part of Carmex’s industry-leading thread turning range, this right-hand insert supports W-thread standards (BSW, BSF, BSP, BSB) and is built to deliver reliable results across a wide range of applications.
Ideal for engineers, toolmakers, machinists, and maintenance teams, it uses a laydown triangular geometry to provide stable cutting and clean thread finishes—from basic threads to more demanding tasks—while reducing downtime and setup complexity.
- Broad thread-standard coverage: Works with the major thread standards (BSW, BSF, BSP, BSB), enabling you to complete diverse internal-threading tasks with a single insert and minimize tool changes.
- Stable laydown triangular design: Delivers consistent thread quality with reduced chatter, improving surface finish and extending insert life in both light and heavy cuts.
- Right-hand internal threading orientation: Optimized for internal turning operations, providing predictable engagement and smooth chip flow for reliable, repeatable results.
This insert supports smoother workflows, helps reduce downtime, and delivers dependable internal threads across a range of applications. Built to meet demanding manufacturing needs, it offers a consistent, trustworthy solution for professionals who require precise, repeatable performance.
Part Numbers
- Protool Part Number
- 16IR18WBLU
- 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.



