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16EL18WK20 - Carmex Thread Turning External Insert - W (BSW BSF BSP BSB) - Left Hand
| Thread Type | External |
| Thread Direction | Left Hand |
| Thread Form | W (BSW BSF BSP BSB) |
| Pitch | 18 |
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Description
Carmex Thread Turning External Insert - W (BSW BSF BSP BSB) - Left Hand - 16EL18WK20 is a precision external threading insert designed to cover a wide range of thread standards with a single, dependable geometry. Its robust build and optimized shape make it suitable for busy shops that need reliable results across diverse tasks.
- Broad thread-standard compatibility (BSW/BSF/BSP/BSB): Works across the most common external thread standards, enabling you to complete diverse jobs with one insert and reducing tool changes.
- Laydown triangular geometry for stability and finish: The distinctive triangular laydown design delivers stable cutting action, smooth entry, and consistent thread profiles from basic to demanding applications.
- Left-hand orientation for efficient LH threading: Specifically optimized for left-handed threads, offering straightforward setup and predictable results in LH machining for improved workflow.
Whether you're a professional machinist, a purchasing specialist, or a DIY enthusiast, this insert helps you streamline threading work with dependable performance. It supports a wide range of tasks—from routine maintenance to more challenging production runs—delivering consistent external threads and reducing rework. Built to endure regular use in busy environments, it provides reliable results over many cycles and helps your shop finish projects on time and to spec.
Part Numbers
- Protool Part Number
- 16EL18WK20
- 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.
