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Carmex Thread Turning External Insert - UN (UNC,UNF,UNEF,UNS) - Right Hand - 22ER12UN3MBMA
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | UN (UNC UNF UNEF UNS) |
| Pitch | 12 |
| Insert Size | 22 |
| Grade | BMA |
Learn more about Klarna
Carmex Thread Turning External Insert — UN (UNC, UNF, UNEF, UNS) — Right Hand — 22ER12UN3MBMA is a high‑performance, laydown triangular insert designed for external thread turning. It provides broad compatibility with the major thread standards in a single, versatile tool, making it ideal for machinists, engineers, buyers, tradespeople, and hobbyists who value reliability and speed. The right‑hand geometry and UNC/UNF/UNEF/UNS compatibility help you tackle a wide range of threading tasks with fewer tool changes and consistently clean results.
- Broad UNC/UNF/UNEF/UNS compatibility: Covers the major external thread standards so you can handle most jobs with one insert, reducing tool swaps and simplifying inventory.
- Laydown triangular geometry for stability: The triangular shape seats securely in standard holders, delivering a stable cutting action, smooth chip flow, and a cleaner thread finish.
- Proven, world‑class quality for reliable results: Part of an industry‑leading range recognized globally, designed for long tool life and dependable performance across a range of materials and applications.
This insert helps streamline your threading workflow by reducing tool changes, delivering consistent thread forms, and maintaining reliable performance through simple setup and routine production runs. Whether completing a single job or managing mixed UNC/UNF/UNEF/UNS lots, you can rely on this Carmex insert to deliver predictable results and keep your shop moving.
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | UN (UNC UNF UNEF UNS) |
| Pitch | 12 |
| Insert Size | 22 |
| 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 External Inserts - Multitooth - Unified - Right Hand
View full collection →You are viewing 22ER12UN3MBMA. Click any other SKU to view its full details.
| Product SKU | Thread Type | Thread Direction | Thread Form | Pitch | Insert Size | Grade | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| 16ER12UN2MBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 12 | 16 | BMA | £15.82 | 5 days | |
| 16ER14UN2MBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 14 | 16 | BMA | £16.11 | 5 days | |
| 16ER16UN2MBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 16 | 16 | BMA | £15.82 | 5 days | |
| 16ER18UN2MBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 18 | 16 | BMA | £16.11 | 5 days | |
| 16ER20UN2MBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 20 | 16 | BMA | £16.11 | 5 days | |
| 22ER12UN2MBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 12 | 22 | BMA | £25.52 | 5 days | |
| 22ER12UN3MBMA Viewing | External | Right Hand | UN (UNC UNF UNEF UNS) | 12 | 22 | BMA | £25.52 | 5 days | |
| 22ER13UN3MBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 13 | 22 | BMA | £25.52 | 5 days | |
| 22ER16UN3MBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 16 | 22 | BMA | £25.52 | 5 days | |
| 27ER8UN2MBMA | External | Right Hand | UN (UNC UNF UNEF UNS) | 8 | 27 | BMA | £32.72 | 5 days |
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