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Carmex Thread Mills Solid Carbide - External - UNJ (UNJC UNJF UNJEF UNJS) - 12mm x 12 - MT7
| Thread Form | UNJ (UNJC UNJF UNJEF UNJS) |
| Size | 12mm |
| Pitch | 12 |
| Diameter (D) | 12 |
| Flute Length (l) | 26.5 |
| Shank Diameter (d) | 12 |
Learn more about Klarna
The Carmex Thread Mills Solid Carbide is an external threading tool designed for UNJ thread forms (UNJC, UNJF, UNJEF, UNJS). With a compact 12 mm cutting diameter and a 12 mm flute length, mounted on an MT7 shank, it’s built for precise, repeatable UNJ thread milling in a range of industrial materials.
- Solid carbide construction: Delivers high rigidity and wear resistance for dependable thread milling operations.
- External thread milling for UNJ forms: Optimized geometry to produce accurate UNJ threads (UNJC, UNJF, UNJEF, UNJS) with clean profiles.
- 12 mm cutting diameter × 12 mm flute length: Well-suited for compact, tight-thread applications while maintaining robust cutting performance.
- MT7 shank: Compatible with high-torque milling centers and standard tooling setups.
- Spiral flute design: Promotes superior surface finish on threaded features and improves chip evacuation during machining.
- Multi-flute configuration (3–5 flutes): Increases material removal efficiency and reduces cycle times for faster production.
This tool excels in precision threading tasks where surface quality and process efficiency matter most—think automotive fasteners, hydraulic components, and aerospace hardware where UNJ threads must meet strict tolerances. The combination of spiral flutes and a three to five-flute layout delivers a cleaner finish on first pass while keeping cycle times efficient, helping maintain tight production schedules without compromising thread integrity. For operators seeking predictable performance and consistent results, this Carmex thread mill provides a reliable, repeatable solution for external UNJ threading jobs.
| Thread Form | UNJ (UNJC UNJF UNJEF UNJS) |
| Size | 12mm |
| Pitch | 12 |
| Diameter (D) | 12 |
| Flute Length (l) | 26.5 |
| Shank Diameter (d) | 12 |
| No of Flutes | 4 |
| Overall Length (L) | 83 |
| Thread Mill Style | Standard |
| Internal or External | External |
| Coating | MT7 |
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 Solid Carbide Thread Mills - UNJ - For External Thread (MT)
View full collection →You are viewing EMT1212D2612UNJMT7. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Flute Length | Reach | Shank Diameter | Overall Length | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| EMT0606C1332UNJMT7 | 6mm | 32 | 13.9 | 13.9 | 6 | 57 | £127.64 | 5 days | |
| EMT0808D1728UNJMT7 | 8mm | 28 | 17.7 | 17.7 | 8 | 63 | £170.02 | 5 days | |
| EMT1010D2024UNJMT7 | 10mm | 24 | 20.6 | 20.6 | 10 | 72 | £196.16 | 5 days | |
| EMT1212D2612UNJMT7 Viewing | 12mm | 12 | 26.5 | 26.5 | 12 | 83 | £245.38 | 5 days | |
| EMT1212D2614UNJMT7 | 12mm | 14 | 26.3 | 26.3 | 12 | 83 | £245.38 | 5 days | |
| EMT1212D2616UNJMT7 | 12mm | 16 | 26.2 | 26.2 | 12 | 83 | £245.38 | 5 days | |
| EMT1212D2618UNJMT7 | 12mm | 18 | 26.1 | 26.1 | 12 | 83 | £245.38 | 5 days | |
| EMT1212E2720UNJMT7 | 12mm | 20 | 27.3 | 27.3 | 12 | 83 | £245.38 | 5 days |
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