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Carmex Thread Mills Carbide Drill Mill - Metric - M5 x 0.8 - MT7
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Description
The Carmex MT7 M5 x 0.8 Thread Mill is a precision carbide tool designed to drill, chamfer, and thread mill internal holes in a single pass, ideal for high-volume production environments. It delivers consistent hole quality with fewer tool changes, making it perfect for automated or semi-automatic machining setups.

- All-in-one operation: Drills, chamfers, and thread mills in one pass to reduce cycle times and eliminate intermediate tool changes.
- Two-fluted design: Balanced geometry for stable cutting, efficient chip formation, and clean thread surfaces.
- 45° chamfer: Precise entry chamfer that supports reliable thread formation in mass production.
- Metric threading: M5 x 0.8 thread specification, suitable for standard metric hole applications; accommodates both right- and left-hand internal threads.
- MT7 Sub-Micron carbide with PVD triple coating: Hard, tough carbide core paired with a low-friction, durable coating for smooth cutting and extended tool life.
- Internal coolant bore: Built-in coolant channel to improve chip evacuation, cooling, and surface finish.
- Blind and through hole versatility: One tool handles both blind and through holes without needing substitutions or changes.
- MT7 interface readiness: Designed for compatibility with MT7 tooling systems, ensuring secure fit and reliable performance in standard CNC setups.
By uniting drilling, chamfering, and thread milling into a single operation, this tool minimizes production bottlenecks and enhances hole quality. The 45° entry, combined with the two-fluted geometry, delivers consistent thread starts and smooth internal surfaces. The internal coolant bore and high-performance MT7 carbide with PVD coating maximize life and uptime, making the Carmex Thread Mill a dependable choice for high-speed, high-precision threading in both blind and through-hole applications.
Part Numbers
- Protool Part Number
- MTD0604B90.8ISOMT7
- Brand
- Carmex
- Category
- Thread Mill
Delivery
Free UK mainland delivery on orders over £50 ex VAT. In-stock items ordered before 4:30pm are dispatched the same working day. Full delivery information.
Returns
14-day returns on unused stock items in original packaging. Special-order and bespoke tooling is non-returnable. Read our returns policy.
Technical Support
Over 30 years of machining experience behind the counter. Call 01732 887334, Mon–Thurs 8:30–17:30, Fri 8:30–16:30.
Trade Accounts
Credit accounts, contract pricing and scheduled call-off orders available for trade customers. Apply for an account.
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 Carbide Thread Mills - MT Drill ISO (MTD)
View full collection →You are viewing MTD0604B90.8ISOMT7. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Flute Length | Reach | Shank Diameter | Overall Length | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| MTD06032B70.7ISOK20 | M4 | 0.7 | 9.8 | 9.8 | 6 | 54 | £105.71 | 5 days | |
| MTD06032B70.7ISOMT7 | M4 | 0.7 | 9.8 | 9.8 | 6 | 54 | £116.16 | 5 days | |
| MTD0604B90.8ISOK20 | M5 | 0.8 | 11.9 | 11.9 | 6 | 54 | £105.71 | 5 days | |
| MTD0604B90.8ISOMT7 Viewing | M5 | 0.8 | 11.9 | 11.9 | 6 | 54 | £116.16 | 5 days | |
| MTD08048B121.0ISOK20 | M6 | 1 | 14.8 | 14.8 | 8 | 62 | £124.94 | 5 days | |
| MTD08048B121.0ISOMT7 | M6 | 1 | 14.8 | 14.8 | 8 | 62 | £137.33 | 5 days | |
| MTD10064B151.25ISOK20 | M8 | 1.25 | 18.7 | 18.7 | 10 | 74 | £151.41 | 5 days | |
| MTD10064B151.25ISOMT7 | M8 | 1.25 | 18.7 | 18.7 | 10 | 74 | £166.61 | 5 days | |
| MTD1208B191.5ISOK20 | M10 | 1.5 | 23.8 | 23.8 | 12 | 80 | £192.32 | 5 days | |
| MTD1208B191.5ISOMT7 | M10 | 1.5 | 23.8 | 23.8 | 12 | 80 | £211.52 | 5 days |
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