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Carmex Thread Mills Solid Carbide - External - UNJ (UNJC UNJF UNJEF UNJS) - 12mm x 16 - MT7
| Thread Form | UNJ (UNJC UNJF UNJEF UNJS) |
| Size | 12mm |
| Pitch | 16 |
| Diameter (D) | 12 |
| Flute Length (l) | 26.2 |
| Shank Diameter (d) | 12 |
Learn more about Klarna
Carmex Thread Mills Solid Carbide - External - UNJ is a precision threading tool designed for external UNJ thread forms. Built from solid carbide, it delivers consistent, high-quality threads with excellent surface finish across aerospace, automotive, and precision-machined components.
- Diameter: 12 mm
- Length of cut: 16 mm
- Shank / holder: MT7
- Material: Solid carbide for exceptional rigidity, wear resistance, and long life in demanding materials
- Flute configuration: Spiral flutes with 3–5 cutting edges for efficient chip evacuation and smooth cutting action
- Thread form compatibility: External UNJ family (UNJ, UNJC, UNJF, UNJEF, UNJS) supported for standard UNJ profiles
This external thread mill integrates a spiral flute design with a multi-flute configuration to minimize machining time while delivering an impeccable surface finish on each thread. The tool’s geometry distributes cutting forces across multiple flutes, reducing deflection and maintaining precise thread dimensions even during high-speed operations. Ideal for high-tidelity thread milling on metals ranging from aluminum to hardened steels, it pairs well with appropriate coolant and optimized feeds to maximize tool life and product quality.
| Thread Form | UNJ (UNJC UNJF UNJEF UNJS) |
| Size | 12mm |
| Pitch | 16 |
| Diameter (D) | 12 |
| Flute Length (l) | 26.2 |
| 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 EMT1212D2616UNJMT7. 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 | 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 Viewing | 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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