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Carmex Thread Turning External Insert - UN (UNC,UNF,UNEF,UNS) - Right Hand - 16ER18UNBLU
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | UN (UNC UNF UNEF UNS) |
| Pitch | 18 |
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Description
The Carmex Thread Turning External Insert is a versatile cutting insert designed for turning external threads on workpieces using UNC, UNF, UNEF, and UNS thread standards. Its right-hand geometry and laydown triangular design deliver stable, repeatable threads across a wide range of materials and applications.
Designed to cover the majority of thread standards available today, this insert handles everything from basic threading tasks to the most demanding ones, making it a practical choice for shops, engineers, and craftsmen alike.
- Broad thread-standard compatibility: One insert supports UNC, UNF, UNEF, and UNS external threads, reducing tool-change downtime and simplifying inventory for mixed threading jobs.
- Stable laydown triangle geometry: Provides consistent cutting action and clean, accurate threads with improved chip control for reliable finishes and higher productivity.
- Durable, reliable performance: Built to perform across simple to demanding applications with steady wear resistance and long tool life, helping minimize downtime and replacement costs.
This insert is designed to deliver dependable results across a wide range of threading tasks, helping you speed setup, improve process control, and achieve repeatable thread quality. It’s a practical, proven choice for professional shops and skilled hobbyists who value consistency and efficiency in external threading.
Part Numbers
- Protool Part Number
- 16ER18UNBLU
- 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.
