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Carmex Thread Mills Solid Carbide - Fast Type - For Hard Materials - Metric - M8, M10, M12 x 1.25 - MT3

SKU:FSH08064G171.25ISOMT3

Meet Carmex Thread Mills Solid Carbide – Fast Type, a precision internal-threading solution built for hard materials. Ideal for shops and machinists that require dependable, high-tolerance thread... Read more ↓
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Thread FormMetric
SizeM8 M10 M12
Pitch1.25
Diameter (D)6.4
Flute Length (l)3.75
Shank Diameter (d)8
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£152.96
Prices shown ex. VAT
5 days estimated lead time — subject to availability
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01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

Meet Carmex Thread Mills Solid Carbide – Fast Type, a precision internal-threading solution built for hard materials. Ideal for shops and machinists that require dependable, high-tolerance threads in hardened steels and superalloys.

  • Material: Solid carbide with MT3 ultra-fine grade for high-hardness applications
  • Coating: PVD multi-layer coating delivering enhanced heat and wear resistance
  • Flute count: Up to 7 flutes on select models to improve stability and chip evacuation when threading hard materials
  • Thread sizes: Metric M8 x 1.25, M10 x 1.25, and M12 x 1.25 for common precision threads
  • Application: Internal thread milling in hard metals, including superalloys, up to 65 HRC
  • Design: Fast Type geometry optimized for efficient material removal and shorter cycle times
  • Grade & versatility: MT3 ultra-fine grade combines cutting-edge edge stability with robust heat and wear performance

This tool is crafted to deliver reliable thread formation in demanding materials, helping you achieve clean, accurate threads with fewer passes. The multi-flute construction and advanced coating minimize wear, extend tool life, and maintain thread quality across production runs. Whether you’re building high-strength components or repairing hardened parts, these Carmex thread mills provide consistent results and reduced machining time, enabling smoother workflows in CNC threading applications.

Thread Form Metric
Size M8 M10 M12
Pitch 1.25
Diameter (D) 6.4
Flute Length (l) 3.75
Shank Diameter (d) 8
No of Flutes 7
Overall Length (L) 64
Thread Mill Style Mini (Fast)
Internal or External Internal
Coating MT3

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.

★★★★★
Nice experience staff are very helpful and interested...
Staff are very helpful and interested in providing a good service making us the customer feel valued.
Bill
★★★★★
first place we look
honest about stock and prices are competitive.
Phil
★★★★★
Polite and helpful
Staff are very helpful and polite.Goods that were in stock were dispatched same day and back orders were quick in coming through .
Graham
★★★★★
Buying experience
Phone requests are handled quickly and without any fuss. The website is easy to use and straightforward to order from. It’s especially helpful that it shows real‑time availability, so we don’t need to call to confirm whether parts will arrive.
Jeremy

Full Range: Carmex Carbide Thread Mills - ISO - Mini Type For Hard Materials Up To 65HRC (FSH)

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