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16IL11WBLU - Carmex Thread Turning Internal Insert - W (BSW BSF BSP BSB) - Left Hand
| Thread Type | Internal |
| Thread Direction | Left Hand |
| Thread Form | W (BSW BSF BSP BSB) |
| Pitch | 11 |
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Carmex Thread Turning Internal Insert is part of our industry-leading range of thread turning inserts, designed specifically for internal thread turning with precision and reliability. Its laydown triangular geometry delivers stable cutting and consistent results across a wide range of thread standards.
The left-hand (LH) version supports BSW, BSF, BSP, and BSB internal threads, making it a versatile choice for shops that handle multiple thread types—from routine jobs to demanding production tasks.
- Wide compatibility with thread standards: Handles BSW, BSF, BSP, and BSB internal threads, so you can run a broad mix of jobs with one insert, saving setup time and inventory.
- Durable laydown triangular geometry: The robust triangular design provides stable cutting and even wear, delivering consistent thread quality and longer insert life across materials.
- Left-hand design for flexible setups: Specifically engineered for left-handed threading operations, enabling smooth cuts and reliable performance in LH applications.
Designed to deliver consistent results across a broad job mix, this Carmex internal thread turning insert helps you streamline operations, reduce downtime, and achieve precise threads with fewer tool changes. Its robust geometry and broad compatibility make it a dependable choice for workshops, job shops, and production lines aiming for repeatable performance on both simple and demanding threading tasks.
Part Numbers
- Protool Part Number
- 16IL11WBLU
- 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.



