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16ER48WK20 - 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 | 48 |
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Carmex Thread Turning External Insert in W style is a right-hand, external-threading insert designed to cover multiple thread standards (BSW, BSF, BSP, BSB). Its laydown triangular geometry is optimized for reliable external threading, delivering clean, consistent threads from basic to demanding jobs.
Built for professionals and serious hobbyists alike, this insert helps you reduce tool changes and maintain tight tolerances across a wide range of applications.
- Broad thread standard compatibility: Supports BSW, BSF, BSP, BSB and other common thread forms, reducing search time for the right insert and minimizing inventory complexity.
- Laydown triangular geometry for stable cutting: Triangular laydown shape provides a robust cutting edge that yields consistent thread profiles and helps resist chatter across varying tasks.
- Right-hand orientation for predictable threading: Precisely matched for right-handed threading setups, improving chip flow, surface finish, and setup efficiency.
With this Carmex external insert, you can complete threaded features faster, with fewer tool changes, and with reliable results across a wide range of applications—from basic to demanding. The design supports durability and consistent performance, helping your shop stay on schedule and deliver dependable outcomes.
Part Numbers
- Protool Part Number
- 16ER48WK20
- 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.



