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Carmex Thread Turning External Insert - UNJ (UNJC UNJF UNJEF UNJS) - Right Hand - 16ER11UNJBLU
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | UNJ (UNJC UNJF UNJEF UNJS) |
| Pitch | 11 |
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Carmex Thread Turning External Insert — Right Hand, UNJ family compatibility (UNJ, UNJC, UNJF, UNJS). The 16ER11UNJBLU variant is designed for external threading operations and fits turning tools that require a reliable right-hand cutting insert.
Our industry-leading range of thread turning inserts is recognized worldwide. These high-quality laydown triangular inserts provide a practical solution for the majority of thread standards in use today, delivering dependable performance from everyday jobs to the most demanding threading tasks.
- Wide UNJ thread compatibility: One insert covers UNJ, UNJC, UNJF, and UNJS external threading, reducing tool changes and inventory while maintaining accuracy across formats.
- Triangular laydown geometry for stable cutting: The laydown design delivers solid engagement, efficient chip control, and a consistent thread finish across a range of sizes and speeds.
- Reliable performance from basic to demanding jobs: Delivers predictable results with minimal rework, helping you complete more work per shift with less downtime.
This insert is designed to streamline your threading workflow, improve setup efficiency, and deliver consistent, high-quality external threads across a wide spectrum of applications. By choosing Carmex, you gain a dependable tool that supports faster throughput, fewer tool changes, and reliable results on every job.
Part Numbers
- Protool Part Number
- 16ER11UNJBLU
- 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.



