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

Carmex Thread Mills Solid Carbide - With Through Coolant - Metric - M8, M10 x 1.25 - MT7
| Thread Form | Metric |
| Size | M8 M10 |
| Pitch | 1.25 |
| Diameter (D) | 6 |
| Flute Length (l) | 14.4 |
| Shank Diameter (d) | 6 |
Learn more about Klarna
The Carmex MTB Thread Mills are precision solid carbide tools designed for metric thread milling on CNC machines. Building on the MT line, the MTB family introduces through-bore coolant to improve chip evacuation and extend tool life, delivering reliable internal threading for demanding engineering applications.
- Through-Coolant Bore: coolant is supplied through the tool bore directly to the cutting zone, promoting continuous chip evacuation and effective cooling for cleaner threads.
- Solid Carbide Construction: high rigidity and wear resistance ensure accurate thread form and long-lasting performance in tough materials.
- MT7 Interface: compatible with standard MT7 tool holders for secure, precise seating and dependable repeatability in automated setups.
- Metric Thread Range: optimized for M8 x 1.25 and M10 x 1.25 internal threads, delivering consistent pitch accuracy and clean thread profiles.
- Optimized Thread Milling Geometry: specially engineered flute and land geometry to produce smooth, defect-free threads with minimal finishing.
- Durability and Life: the combination of through-coolant cooling and robust carbide extends tool life and reduces total tooling costs over time.
By enabling coolant through the bore, this tool reduces heat buildup and chip packing inside the threaded hole, leading to improved surface finish, fewer reworks, and lower maintenance downtime. It’s ideal for precision components in automotive, aerospace, hydraulics, and general mechanical engineering where reliable internal threads and repeatable results matter. The Carmex MTB thread mill—with MT7 compatibility and through-coolant benefits—helps you achieve accurate threads, longer tool life, and consistent production performance in one robust solution.
| Thread Form | Metric |
| Size | M8 M10 |
| Pitch | 1.25 |
| Diameter (D) | 6 |
| Flute Length (l) | 14.4 |
| Shank Diameter (d) | 6 |
| No of Flutes | 3 |
| Overall Length (L) | 58 |
| Thread Mill Style | Standard + Coolant |
| 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 - ISO Metric - With Through Coolant (MTB)
View full collection →You are viewing MTB0606C141.25ISOMT7. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Flute Length | Reach | Overall Length | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| MTB06031C70.7ISOMT7 | M4 | 0.7 | 7.4 | 7.4 | 58 | £71.61 | 5 days | |
| MTB06038C100.5ISOMT7 | M5 | 0.5 | 10.3 | 10.3 | 58 | £71.61 | 5 days | |
| MTB06038C90.8ISOMT7 | M5 | 0.8 | 9.2 | 9.2 | 58 | £71.61 | 5 days | |
| MTB06045C100.75ISOMT7 | M6 M8 | 0.75 | 10.1 | 10.1 | 58 | £71.61 | 5 days | |
| MTB06046C101.0ISOMT7 | M6 | 1 | 10.5 | 10.5 | 58 | £71.61 | 5 days | |
| MTB06046C141.0ISOMT7 | M6 | 1 | 14.5 | 14.5 | 58 | £85.94 | 5 days | |
| MTB0604C130.8ISOMT7 | M5 | 0.8 | 13.2 | 13.2 | 58 | £85.94 | 5 days | |
| MTB0606C121.0ISOMT7 | M8 | 1 | 12.5 | 12.5 | 58 | £71.61 | 5 days | |
| MTB0606C141.25ISOMT7 Viewing | M8 M10 | 1.25 | 14.4 | 14.4 | 58 | £71.61 | 5 days | |
| MTB0606C191.25ISOMT7 | M8 M10 | 1.25 | 19.4 | 19.4 | 58 | £85.94 | 5 days | |
| MTB08078C171.5ISOMT7 | M10 M12 | 1.5 | 17 | 17 | 64 | £95.39 | 5 days | |
| MTB08078C241.5ISOMT7 | M10 M12 | 1.5 | 24.8 | 24.8 | 76 | £114.46 | 5 days | |
| MTB0808D161.0ISOMT7 | M10 | 1 | 16.5 | 16.5 | 64 | £95.39 | 5 days | |
| MTB1009C201.75ISOMT7 | M12 | 1.75 | 20.1 | 20.1 | 73 | £110.03 | 5 days | |
| MTB1009C281.75ISOMT7 | M12 | 1.75 | 28.9 | 28.9 | 73 | £132.07 | 5 days | |
| MTB1010C272.0ISOMT7 | M14 M17 | 2 | 27 | 27 | 73 | £110.03 | 5 days | |
| MTB1010D211.5ISOMT7 | M14 | 1.5 | 21.8 | 21.8 | 73 | £110.03 | 5 days | |
| MTB1010D240.75ISOMT7 | M12 M14 | 0.75 | 24.4 | 24.4 | 73 | £110.03 | 5 days | |
| MTB1010D241.0ISOMT7 | M12 | 1 | 24.5 | 24.5 | 73 | £110.03 | 5 days | |
| MTB12118D272.0ISOMT7 | M16 M18 M20 | 2 | 27 | 27 | 84 | £137.69 | 5 days | |
| MTB12118D392.0ISOMT7 | M16 M18 M20 | 2 | 39 | 39 | 105 | £165.20 | 5 days | |
| MTB1211D392.0ISOMT7 | M14 M17 | 2 | 39 | 39 | 105 | £165.20 | 5 days | |
| MTB1212D261.5ISOMT7 | M14 - M18 | 1.5 | 26.3 | 26.3 | 84 | £137.69 | 5 days | |
| MTB1615E332.5ISOMT7 | M20 | 2.5 | 33.8 | 33.8 | 105 | £162.44 | 5 days | |
| MTB1615E482.5ISOMT7 | M20 | 2.5 | 48.8 | 48.8 | 105 | £194.91 | 5 days | |
| MTB1616F331.5ISOMT7 | M20 | 1.5 | 33.8 | 33.8 | 105 | £162.44 | 5 days | |
| MTB2018D403.0ISOMT7 | M24 M28 | 3 | 40.5 | 40.5 | 105 | £196.18 | 5 days | |
| MTB2018D583.0ISOMT7 | M24 M28 | 3 | 58.5 | 58.5 | 120 | £235.43 | 5 days | |
| MTB2020D433.0ISOMT7 | M27 M28 M30 | 3 | 43.5 | 43.5 | 105 | £196.18 | 5 days | |
| MTB2020F412.0ISOMT7 | M26 | 2 | 41 | 41 | 105 | £196.18 | 5 days |
No products match your filters.






