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Carmex Thread Turning External Insert - UNJ (UNJC UNJF UNJEF UNJS) - Right Hand - 16ER24UNJK20
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | UNJ (UNJC UNJF UNJEF UNJS) |
| Pitch | 24 |
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Description
The Carmex Thread Turning External Insert is a precision tool designed for external threading tasks. It supports UNJ thread standards—UNJ, UNJC, UNJF, and UNJS—and is available in a right-hand configuration to cover a broad range of turning operations.
These laydown triangular inserts are engineered to handle everything from basic threads to more demanding finishes, delivering consistent results and reliable performance across a variety of applications.
- Broad UNJ Compatibility: Works with UNJ, UNJC, UNJF, and UNJS thread standards, enabling external threading with a single insert and reducing tool changes.
- Stable Laydown Triangular Geometry: The laydown triangular design provides stable engagement and improved chip control, helping produce clean, accurate threads.
- Versatile for a Wide Range of Applications: From basic to demanding threading tasks, this insert is designed to deliver consistent results and long life across multiple jobs.
With this insert, you can streamline your threading workflows, cut setup time, and maintain consistent thread quality across parts. The right-hand orientation and robust geometry help minimize chatter and rework, contributing to higher throughput and reliable finishes on every job.
Part Numbers
- Protool Part Number
- 16ER24UNJK20
- 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.
