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Carmex Thread Mills Solid Carbide - External - UNJ (UNJC UNJF UNJEF UNJS) - 8mm x 28 - MT7
| Thread Form | UNJ (UNJC UNJF UNJEF UNJS) |
| Size | 8mm |
| Pitch | 28 |
| Diameter (D) | 8 |
| Flute Length (l) | 17.7 |
| Shank Diameter (d) | 8 |
Learn more about Klarna
The Carmex External Thread Mill is a precision solid carbide tool designed for UNJ-thread milling on CNC mills. It delivers exceptional surface finishes and efficient cutting for a wide range of metalworking applications.
- External thread milling: Engineered to produce UNJ family threads (UNJC, UNJF, UNJEF, UNJS) with accurate profiles and consistent results.
- Solid carbide construction: Delivers rigidity, wear resistance, and long tool life in demanding machining environments.
- Size and shank: 8 mm cutting diameter, 28 mm flute length, MT7 shank for compatibility with high‑speed spindles.
- Spiral flute geometry: Spiral flutes contribute to a superior surface finish on the threaded part.
- Multi-flute design: Three to five flutes balance cutting speed and finish, reducing overall machining time.
- Application versatility: Suitable for a wide range of metal components requiring precise UNJ external threads in industrial settings.
The combination of spiral flutes and a multi‑flute arrangement enables efficient threading operations while delivering a smooth, high‑quality thread profile. This makes the tool a reliable choice for shops pursuing precise UNJ threading with consistent results on standard CNC equipment.
| Thread Form | UNJ (UNJC UNJF UNJEF UNJS) |
| Size | 8mm |
| Pitch | 28 |
| Diameter (D) | 8 |
| Flute Length (l) | 17.7 |
| Shank Diameter (d) | 8 |
| No of Flutes | 4 |
| Overall Length (L) | 63 |
| 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 EMT0808D1728UNJMT7. 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 Viewing | 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 | 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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