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16IL20WBLU - 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 | 20 |
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Description
The Carmex Thread Turning Internal Insert is a premium, laydown triangular insert designed for precise internal threading. Built to serve a broad audience—from engineers and machinists to buyers and hobbyists—this insert delivers consistent performance across a wide range of threading tasks.
It supports multiple thread standards and configurations, including BSW, BSF, BSP, and BSB internal threads, and it includes left-hand threading capability for versatile reversing operations without tool changes.
- Broad thread-standard compatibility: Works with BSW, BSF, BSP, and BSB internal threads, reducing the need for multiple inserts and simplifying setup for diverse projects.
- Left-hand threading support: Enables efficient production of left-handed threads without swapping tools, cutting setup time and improving workflow.
- Triangular laydown geometry for stability: Delivers steady cutting action, effective chip control, and a reliable finish across a range of applications, minimizing wear and downtime.
This insert is designed to help you complete threading tasks with confidence, improving throughput and reducing rework. By combining broad compatibility, practical left-hand capability, and durable geometry, it supports consistent results from basic to demanding applications and helps keep your shop on schedule.
Part Numbers
- Protool Part Number
- 16IL20WBLU
- 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.
