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Carmex Thread Mills Carbide - Single Point - Trapez - TR16, TR18, TR20 x 4 - MT11

Carmex Thread Mills Carbide - Single Point - Trapez - TR16, TR18, TR20 x 4 - MT11

SKU:MTI10092C334TRMT8

The Carmex Thread Mills Carbide – Single Point is a precision internal-thread milling tool designed for professionals who need reliable, small-diameter threads in metal components. Built for CNC ... Read more ↓
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Thread FormTrapez
SizeTR16 TR18 TR20
Pitch4
Diameter (D)9.2
Flute Length (l)4
Shank Diameter (d)10
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£164.62
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5 days estimated lead time — subject to availability
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The Carmex Thread Mills Carbide – Single Point is a precision internal-thread milling tool designed for professionals who need reliable, small-diameter threads in metal components. Built for CNC and dedicated milling work, it delivers consistent thread forms with a robust MT11 shank and hard-wearing carbide body.

  • Threading capability: Internal threads down to ISO M1 x 0.25 and 0-80 UNF, enabling compact, high-precision assemblies.
  • Profile: Full-profile, single-point trapez (trapezoidal) thread milling for strong, accurate internal threads.
  • Flute configuration: 3–4 flutes for efficient chip evacuation and improved rigidity during cutting.
  • Material and coating: Ultra-fine MT11 carbide with triple blue PVD coating for enhanced wear resistance and longer tool life.
  • Shank: MT11 shank compatible with standard milling setups for easy integration into existing workflows.
  • Depth capability: Thread depths up to 3.5× the thread diameter (dependant on profile) for deeper, more effective internal threading.
  • Sizes: Available in TR16, TR18, and TR20 profiles to fit a range of internal-thread applications.

This tool is ideal for engineers and machinists tackling precision internal threading in hard materials, where clean thread engagement and durable performance matter most. The combination of carbide hardness, PVD coating, and multi-flute geometry helps achieve smooth thread surfaces, tighter tolerances, and longer tool life compared with traditional methods. Use this thread mill for applications such as precision housings, fittings, and components where reliable internal threads are critical, and appreciate the control and consistency it brings to every job.

Thread Form Trapez
Size TR16 TR18 TR20
Pitch 4
Diameter (D) 9.2
Flute Length (l) 4
Shank Diameter (d) 10
No of Flutes 3
Overall Length (L) 73
Thread Mill Style Single Point
Internal or External Internal
Coating MT11

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.

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Staff are very helpful and interested in providing a good service making us the customer feel valued.
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Staff are very helpful and polite.Goods that were in stock were dispatched same day and back orders were quick in coming through .
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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.
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Full Range: Carmex Carbide Thread Mills - Trapez Mini Type For Internal Thread (MTI)

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