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Carmex Thread Turning Internal Insert - UN (UNC,UNF,UNEF,UNS) - Right Hand - 16IR18UN2MBMA
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | UN (UNC UNF UNEF UNS) |
| Pitch | 18 |
| Insert Size | 16 |
| Grade | BMA |
Learn more about Klarna
The Carmex Thread Turning Internal Insert is a right‑hand, UN-standard internal threading insert designed to machine UNC, UNF, UNEF, and UNS threads with a single versatile tool. Part of Carmex’s globally recognized range, this triangular laydown insert delivers reliable performance across a wide spectrum of applications—from simple threading tasks to the most demanding jobs.
- Broad UN thread compatibility: Machining internal threads to UNC, UNF, UNEF, and UNS with one insert reduces tool inventory and setup time, helping you complete more work with fewer changes.
- Triangular laydown geometry for stability: The sturdy laydown design distributes cutting forces, promotes smooth chip control, and yields clean, accurate thread profiles with extended tool life.
- Right‑hand orientation for easy integration: Optimized for right‑hand threads and standard machine setups, delivering predictable cutting action and straightforward compatibility with existing equipment.
This insert is built to simplify your threading operations, helping you improve workflow, reduce downtime, and achieve consistent, high‑quality internal threads across a range of standards.
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | UN (UNC UNF UNEF UNS) |
| Pitch | 18 |
| Insert Size | 16 |
| Grade | BMA |
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.
Full Range: Carmex Thread Turning Internal Inserts - Multitooth - Unified - Right Hand
View full collection →You are viewing 16IR18UN2MBMA. Click any other SKU to view its full details.
| Product SKU | Thread Type | Thread Direction | Thread Form | Pitch | Insert Size | Grade | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| 16IR12UN2MBMA | Internal | Right Hand | UN (UNC UNF UNEF UNS) | 12 | 16 | BMA | £15.82 | In Stock | |
| 16IR14UN2MBMA | Internal | Right Hand | UN (UNC UNF UNEF UNS) | 14 | 16 | BMA | £16.11 | 5 days | |
| 16IR16UN2MBMA | Internal | Right Hand | UN (UNC UNF UNEF UNS) | 16 | 16 | BMA | £15.82 | 5 days | |
| 16IR18UN2MBMA Viewing | Internal | Right Hand | UN (UNC UNF UNEF UNS) | 18 | 16 | BMA | £16.11 | 5 days | |
| 16IR20UN2MBMA | Internal | Right Hand | UN (UNC UNF UNEF UNS) | 20 | 16 | BMA | £16.11 | 5 days | |
| 22IR12UN2MBMA | Internal | Right Hand | UN (UNC UNF UNEF UNS) | 12 | 22 | BMA | £25.52 | 5 days | |
| 22IR12UN3MBMA | Internal | Right Hand | UN (UNC UNF UNEF UNS) | 12 | 22 | BMA | £25.52 | 5 days | |
| 22IR16UN3MBMA | Internal | Right Hand | UN (UNC UNF UNEF UNS) | 16 | 22 | BMA | £25.08 | 5 days | |
| 27IR8UN2MBMA | Internal | Right Hand | UN (UNC UNF UNEF UNS) | 8 | 27 | BMA | £32.72 | 5 days |
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