Please log in here to access all benefits, including promotional discounts and faster checkouts.
16ER40WK20 - Carmex Thread Turning External Insert - W (BSW BSF BSP BSB) - Right Hand
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | W (BSW BSF BSP BSB) |
| Pitch | 40 |
Learn more about Klarna
Compatible holders
The ones our customers buy most.
Description
Carmex Thread Turning External Insert is a high‑quality laydown triangular insert designed for external thread turning. This Right Hand variant (model code 16ER40WK20) supports multiple thread standards, including BSW, BSF, BSP and BSB, making it a versatile choice for machining a wide range of external threads. It’s built to perform in diverse machining environments—from quick job shop tasks to more demanding production applications.
- Broad thread standard compatibility: Designed to cover major external thread standards (BSW, BSF, BSP, BSB), reducing the need to stock multiple inserts and enabling quicker setup across jobs.
- Stable cutting with laydown triangular geometry: The laid‑down triangular shape provides reliable chip control and consistent thread form, delivering smooth finishes even on challenging materials.
- Right‑hand orientation ready for efficient use: Specifically configured for right‑hand threading tasks, offering predictable performance and straightforward installation in common turning setups.
This insert helps you streamline operations by supporting a broad range of thread requirements with a single, reliable tool. Its robust geometry and compatibility translate to fewer tool changes, more consistent thread quality, and dependable results across basic to demanding threading jobs.
Part Numbers
- Protool Part Number
- 16ER40WK20
- 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.
