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Carmex Thread Mills Multifunction - Hard Type - Metric - M12 x 1.75 - MT11
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Description
The Carmex DMTH Thread Mills Multifunction - Hard Type (Metric) is a high-precision threading tool built to tackle demanding materials with reliability. Designed for metric threads and versatile enough for ISO and UN profiles, it’s ideal for shops that demand consistent, accurate threads in hardened steels, stainless steels, and high-performance alloys.

- Thread profile compatibility: Supports both ISO and UN thread forms for flexible threading across materials and applications.
- Size and shank: Metric M12 x 1.75 threading with MT11 Morse-taper shank for secure mounting in standard CNC and manual machines.
- Depth capability: Capable of thread depths up to 2x the thread diameter, enabling deeper threads in fewer passes.
- Flute configuration: Multi-flute design with 3–4 flutes for efficient cutting and effective chip evacuation in hard metals.
- Material range: Engineered to cut hardened materials, stainless steels, and high-performance alloys without compromising thread quality.
- Construction and finish: Hard-type design optimized for longevity in demanding machining environments; the blue-tinted cutting head visible in the image hints at its robust, precision-engineered construction.
With this tool, you gain dependable, accurate threads in challenging materials, reduced tool changes from deep or multi-pass jobs, and consistent performance across production runs. The MT11 shank ensures secure seating on a wide range of spindles, while the ability to handle ISO and UN profiles makes it a practical single-solution choice for job shops, maintenance teams, and contract manufacturers. Use it for threaded holes in engine components, fastener inserts, and mechanical assemblies where reliable threading and surface finish matter most.
Part Numbers
- Protool Part Number
- DMTH1009D281.75ISOMT11
- 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 - ISO/Metric - 3 IN 1 Multifunction For Hard Materials (DMTH)
View full collection →You are viewing DMTH1009D281.75ISOMT11. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Reach | Shank Diameter | Overall Length | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| DMTH06032C110.7ISOMT11 | M4 | 0.7 | 11.6 | 6 | 58 | £124.68 | 5 days | |
| DMTH0604C140.8ISOMT11 | M5 | 0.8 | 14.4 | 6 | 58 | £124.68 | 5 days | |
| DMTH08047C141.0ISOMT11 | M6-M9 | 1 | 14.4 | 8 | 64 | £166.24 | 5 days | |
| DMTH08061D191.25ISOMT11 | M8-M12 | 1.25 | 19 | 8 | 64 | £166.24 | 5 days | |
| DMTH08078D231.5ISOMT11 | M10 M13 | 1.5 | 23.6 | 8 | 64 | £166.24 | 5 days | |
| DMTH1009D281.75ISOMT11 Viewing | M12 | 1.75 | 28.1 | 10 | 73 | £215.14 | 5 days | |
| DMTH12118D362.0ISOMT11 | M16 M17 | 2 | 36.6 | 12 | 84 | £254.92 | 5 days |
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