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Carmex Thread Mills Solid Carbide - Internal Thread - UN (UNC UNF UNEF UNS) - 3/4 x 16 - MT7
| Thread Form | UN (UNC UNF UNEF UNS) |
| Size | 3/4 |
| Pitch | 16 |
| Diameter (D) | 12 |
| Flute Length (l) | 31 |
| Shank Diameter (d) | 12 |
Learn more about Klarna
Carmex MT7 Solid Carbide Internal Thread Mills deliver precise, repeatable internal threading for UNC/UNF/UNEF/UNS standards. Built for machinists and shops that demand reliability and cost-conscious performance, this MT7 tool ensures clean, accurate threads in a range of metals.
- Internal thread milling capability: creates UNC/UNF/UNEF/UNS internal threads with a 3/4"-16 size (3/4 x 16), optimized for robust threading applications.
- 3–5 flute design: multi-flute geometry enhances cutting efficiency, thread quality, and chip evacuation for smoother operation.
- MT7 solid carbide shank: rigid, precise interface with MT7 tool holders to minimize runout and improve repeatability.
- Size and threading specification: 3/4" diameter with 16 TPI internal thread, suitable for common threaded interfaces.
- Durable carbide construction: hard-wearing, wear-resistant material designed to withstand demanding threading tasks and extend tool life.
The MT line represents Carmex’s solution for efficient and cost-effective threading. With its optimized flute geometry and robust solid carbide composition, these internal thread mills deliver reliable results, lower cycle times, and predictable performance across production runs. Ideal for machine shops and manufacturing environments where dependable internal threading and value matter.
| Thread Form | UN (UNC UNF UNEF UNS) |
| Size | 3/4 |
| Pitch | 16 |
| Diameter (D) | 12 |
| Flute Length (l) | 31 |
| Shank Diameter (d) | 12 |
| No of Flutes | 4 |
| Overall Length (L) | 84 |
| Thread Mill Style | Standard |
| Internal or External | Internal |
| 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 - UN (UNC UNF UNEF) - For Internal Thread (MT)
View full collection →You are viewing MT1212D3116UNMT7. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Flute Length | Reach | Overall Length | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| MT06025C640UNMT7 | No.5 | 40 | 6 | 6 | 58 | £65.10 | 5 days | |
| MT06032C632UNMT7 | No. 8 No. 10 No. 12 | 32 | 6.8 | 6.8 | 58 | £65.10 | In Stock | |
| MT06045C1220UNMT7 | 1/4 | 20 | 12.1 | 12.1 | 58 | £65.10 | 5 days | |
| MT0604C1128UNMT7 | 1/4 | 28 | 11.3 | 11.3 | 58 | £65.10 | 5 days | |
| MT06052C1528UNMT7 | 1/4 | 28 | 15 | 15 | 58 | £65.10 | In Stock | |
| MT0605C1418UNMT7 | 5/16 | 18 | 14.8 | 14.8 | 58 | £65.10 | 5 days | |
| MT0605C1424UNMT7 | 5/16 | 24 | 14.3 | 14.3 | 58 | £65.10 | In Stock | |
| MT0606C1428UNMT7 | 7/16 1/2 | 28 | 14.1 | 14.1 | 58 | £65.10 | 5 days | |
| MT0606C1616UNMT7 | 3/8 | 16 | 16.7 | 16.7 | 58 | £65.10 | 5 days | |
| MT0606C2018UNMT7 | 5/16 | 18 | 20.5 | 20.5 | 58 | £78.12 | 5 days | |
| MT08074C2416UNMT7 | 3/8 | 16 | 24.6 | 24.6 | 64 | £86.72 | 5 days | |
| MT0807C2014UNMT7 | 7/16 | 14 | 20.9 | 20.9 | 64 | £86.72 | 5 days | |
| MT0807C2120UNMT7 | 7/16 1/2 | 20 | 21 | 21 | 64 | £86.72 | In Stock | |
| MT0807C2124UNMT7 | 3/8 | 24 | 24 | 24 | 64 | £86.72 | In Stock | |
| MT0808C2213UNMT7 | 1/2 | 13 | 22.5 | 22.5 | 64 | £86.72 | 5 days | |
| MT10085C2814UNMT7 | 7/16 | 14 | 28.1 | 28.1 | 73 | £100.02 | 5 days | |
| MT10098D3213UNMT7 | 1/2 | 13 | 32.2 | 32.2 | 73 | £100.02 | In Stock | |
| MT1010C2612UNMT7 | 9/16 | 12 | 26.5 | 26.5 | 73 | £100.02 | 5 days | |
| MT1010C2811UNMT7 | 5/8 | 11 | 28.9 | 28.9 | 73 | £100.02 | 5 days | |
| MT1010D2618UNMT7 | 9/16 5/8 - 1 1/8 1 5/8 | 18 | 26.1 | 26.1 | 73 | £100.02 | In Stock | |
| MT12116D3712UNMT7 | 9/16 | 12 | 37 | 37 | 84 | £125.18 | 5 days | |
| MT1212C3410UNMT7 | 3/4 | 10 | 34.3 | 34.3 | 84 | £125.18 | 5 days | |
| MT1212D3116UNMT7 Viewing | 3/4 | 16 | 31 | 31 | 84 | £125.18 | In Stock | |
| MT1212D3811UNMT7 | 5/8 | 11 | 38.1 | 38.1 | 84 | £125.18 | 5 days | |
| MT1212E2720UNMT7 | 3/4 - 1 | 20 | 27.3 | 27.3 | 84 | £125.18 | In Stock | |
| MT16147E4910UNMT7 | 3/4 | 10 | 49.5 | 49.5 | 105 | £147.68 | 5 days | |
| MT1615C389UNMT7 | 7/8 | 9 | 38.1 | 38.1 | 105 | £147.68 | In Stock | |
| MT1615E3714UNMT7 | 7/8 | 14 | 37.2 | 37.2 | 105 | £147.68 | 5 days | |
| MT1616C428UNMT7 | 1 | 8 | 42.9 | 42.9 | 105 | £147.68 | 5 days | |
| MT1616E4112UNMT7 | 1 - 1 1/2 | 12 | 41.3 | 41.3 | 105 | £147.68 | 5 days | |
| MT2020D457UNMT7 | 1 1/8 - 1 1/4 | 7 | 45.3 | 45.3 | 105 | £178.34 | 5 days |
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