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Carmex Thread Mills Solid Carbide - Fast Type - With Internal Coolant Bore - UN (UNC UNF UNEF UNS) - 3/4 x 16 - MT8
| Thread Form | UN (UNC UNF UNEF UNS) |
| Size | 3/4 |
| Pitch | 16 |
| Diameter (D) | 16.7 |
| Flute Length (l) | 34.1 |
| Shank Diameter (d) | 20 |
Learn more about Klarna
Meet Carmex's FMT/Fast MT solid carbide thread mills—precision tools engineered for high-speed, high-accuracy threading. Designed for machinists who demand consistent thread forms and productive cycle times, these 3/4" diameter tools with MT8 shanks are built to excel in demanding production environments.
- Solid carbide construction: rugged, wear‑resistant tooling designed for long tool life and repeatable thread forms.
- FMT/Fast MT design: a high-flute-count geometry (5–8 flutes) delivers faster material removal and significantly reduced cycle times.
- Internal coolant bore: coolant is delivered through the tool to aid cooling, improve chip evacuation, and maintain thread accuracy in deep or complex features.
- UN thread compatibility: supports standard UNC, UNF, UNEF, and UNS thread forms, ensuring broad applicability across common specifications.
- MT8 shank: robust Morse Taper 8 shank for solid, secure engagement with a wide range of milling spindles and tool holders.
- Size and spec: 3/4" diameter with 16 threads per inch, optimized for standard 3/4-16 UNC threads with clean, precise engagement.
This tool blends speed and precision to handle production threading tasks with confidence. The multiple flutes reduce machining time without compromising thread quality, while the internal coolant bore keeps temperatures controlled and supports reliable chip management. The result is dependable thread milling performance that helps you meet tight schedules and maintain high-quality thread finishes across compatible materials.
| Thread Form | UN (UNC UNF UNEF UNS) |
| Size | 3/4 |
| Pitch | 16 |
| Diameter (D) | 16.7 |
| Flute Length (l) | 34.1 |
| Shank Diameter (d) | 20 |
| No of Flutes | 8 |
| Overall Length (L) | 105 |
| 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 FMT20167H3416UNMT8. 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 | 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 Viewing | 3/4 | 16 | 34.1 | 34.1 | 20 | 105 | £349.70 | 5 days |
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