Please log in here to access all benefits, including promotional discounts and faster checkouts.

Carmex Thread Mills Solid Carbide - Fast Type - With Internal Coolant Bore - UN (UNC UNF UNEF UNS) - 3/8 x 16 - MT8
| Thread Form | UN (UNC UNF UNEF UNS) |
| Size | 3/8 |
| Pitch | 16 |
| Diameter (D) | 7.4 |
| Flute Length (l) | 16.7 |
| Shank Diameter (d) | 10 |
Learn more about Klarna
The Carmex Fast MT solid carbide thread mill is engineered for high-speed internal threading, delivering precise 3/8-16 threads with dependable tool life. Designed for professional machinists and production shops, it combines a fast-type geometry with an internal coolant bore to boost throughput on demanding threading tasks.
- Tool Type: Solid carbide thread mill with Fast MT geometry optimized for high-speed threading
- Flute Count: Large flute count (5–8) to reduce machining times and improve thread quality
- Internal Coolant Bore: Directs coolant to the cutting edges for improved cooling, chip evacuation, and longer tool life
- Size and Thread Forms: 3/8-16 thread size compatible with UNC, UNF, UNEF, and UNS internal thread forms
- Shank Interface: MT8 Morse taper shank for secure, rigid toolholding on standard milling machines
- Material: Solid carbide for exceptional wear resistance and durable performance in tough materials
- Applications: Ideal for precise internal thread milling in holes and pockets across a range of metals
With its combination of a high-flute, fast-type geometry and an efficient internal coolant bore, this thread mill accelerates production while preserving thread accuracy and clean finishes. The carbide construction delivers reliable wear resistance for repeated threading cycles, supporting longer tool life and consistent results. The MT8 interface ensures stable, robust performance in demanding setups, making it a solid choice for shops aiming to improve throughput on 3/8-16 internal threads.
| Thread Form | UN (UNC UNF UNEF UNS) |
| Size | 3/8 |
| Pitch | 16 |
| Diameter (D) | 7.4 |
| Flute Length (l) | 16.7 |
| Shank Diameter (d) | 10 |
| No of Flutes | 6 |
| Overall Length (L) | 73 |
| Thread Mill Style | Fast + Chamfer + Coolant |
| Internal or External | Internal |
| Coating | MT8 |
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 Fast Solid Carbide Thread Mills - UN (UNC, UNF, UNEF) - With Internal Coolant Bore (FMT)
View full collection →You are viewing FMT10074F1616UNMT8. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Flute Length | Reach | Shank Diameter | Overall Length | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| FMT08048E1220UNMT8 | 1/4 | 20 | 12.1 | 12.1 | 8 | 64 | £187.10 | 5 days | |
| FMT08052F1128UNMT8 | 1/4 | 28 | 11.3 | 11.3 | 8 | 64 | £187.10 | 5 days | |
| FMT10066G1424UNMT8 | 5/16 | 24 | 14.3 | 14.3 | 10 | 73 | £215.78 | 5 days | |
| FMT1006F1418UNMT8 | 5/16 | 18 | 14.8 | 14.8 | 10 | 73 | £215.78 | 5 days | |
| FMT10074F1616UNMT8 Viewing | 3/8 | 16 | 16.7 | 16.7 | 10 | 73 | £215.78 | 5 days | |
| FMT12082G1724UNMT8 | 3/8 9/16 5/8 11/16 | 24 | 17.5 | 17.5 | 12 | 84 | £269.98 | 5 days | |
| FMT12085F2014UNMT8 | 7/16 7/8 | 14 | 22 | 22 | 12 | 84 | £269.98 | 5 days | |
| FMT12092H2120UNMT8 | 7/16 | 20 | 21 | 21 | 12 | 84 | £269.98 | 5 days | |
| FMT12098F2413UNMT8 | 1/2 | 13 | 24.4 | 24.4 | 12 | 84 | £269.98 | 5 days | |
| FMT12098H1928UNMT8 | 7/16 - 1/2 | 28 | 20.5 | 20.5 | 12 | 84 | £269.98 | 5 days | |
| FMT14111H2220UNMT8 | 1/2 3/4 7/8 1 | 20 | 22.2 | 22.2 | 14 | 84 | £300.30 | 5 days | |
| FMT16116F2612UNMT8 | 9/16 1 | 12 | 26.5 | 26.5 | 16 | 105 | £318.52 | 5 days | |
| FMT16125H2618UNMT8 | 9/16 5/8 1 1/16 1 1/8 | 18 | 26.1 | 26.1 | 16 | 105 | £318.52 | 5 days | |
| FMT1612F3311UNMT8 | 5/8 | 11 | 33.4 | 33.4 | 16 | 105 | £318.52 | 5 days | |
| FMT20167H3416UNMT8 | 3/4 | 16 | 34.1 | 34.1 | 20 | 105 | £349.70 | 5 days |
No products match your filters.





