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Carmex Thread Turning Internal Insert - UN (UNC,UNF,UNEF,UNS) - Right Hand - 27IR8UN2MBMA
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | UN (UNC UNF UNEF UNS) |
| Pitch | 8 |
| Insert Size | 27 |
| Grade | BMA |
Learn more about Klarna
The Carmex Thread Turning Internal Insert (27IR8UN2MBMA) is a versatile cutting tool designed for internal threading across Unified thread standards (UNC, UNF, UNEF, UNS). Built for right-hand threads, it's well-suited for shop floors, engineers, and hobbyists who need reliable, repeatable results—from simple repairs to high-demand production runs.
With its laydown triangular geometry, this insert offers multiple usable edges and stable cutting action, helping you achieve crisp thread profiles with less effort and less downtime.
- Broad Unified Thread Coverage: One insert supports UNC, UNF, UNEF, and UNS internal threads, reducing tooling complexity and speeding setup for most internal threading jobs.
- Right-Hand Threading for Consistent Results: Specifically designed for right-hand threads, it delivers predictable cutting action, clean thread profiles, and reliable performance across a range of materials.
- Laydown Triangular Design with Multiple Edges: The triangular geometry provides multiple usable edges for extended tool life and faster tool changes, helping you finish demanding jobs with fewer interruptions.
This insert helps you streamline internal threading workflows, cut down setup and changeover time, and consistently produce accurate threads that assemble reliably. Whether you're maintaining equipment, producing parts, or performing precision repairs, the Carmex 27IR8UN2MBMA internal insert is designed to deliver dependable performance, day in and day out.
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | UN (UNC UNF UNEF UNS) |
| Pitch | 8 |
| Insert Size | 27 |
| 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 27IR8UN2MBMA. 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 | 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 Viewing | Internal | Right Hand | UN (UNC UNF UNEF UNS) | 8 | 27 | BMA | £32.72 | 5 days |
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