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Carmex Thread Mills Solid Carbide - Internal & External Thread - NPTF - 2 1/2 + x 8 - MT7

SKU:MT2020D398NPTFMT7

The Carmex MT solid carbide thread mills are engineered to deliver precise internal and external threading with NPTF profiles, making them a reliable and cost-efficient choice for machine shops an... Read more ↓
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Thread FormNPTF
Size2 1/2 +
Pitch8
Diameter (D)20
Flute Length (l)39.7
Shank Diameter (d)20
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£178.34 £237.79
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The Carmex MT solid carbide thread mills are engineered to deliver precise internal and external threading with NPTF profiles, making them a reliable and cost-efficient choice for machine shops and job sites that demand consistent thread quality.

  • Solid carbide construction: Built for high hardness and wear resistance, delivering long tool life across a range of materials.
  • Internal & External threading: One tool handles both bore threading and external thread milling, simplifying setups and reducing tool changes.
  • Multi-flute design (3–5 flutes): Optimizes cutting efficiency and chip evacuation to produce clean, accurate threads with stable performance.
  • MT7 shank: Robust Morse taper shank for secure, rigid mounting on compatible milling machines, enhancing precision and rigidity.
  • Size: 2 1/2 + x 8 (specifications as listed for this MT7 tool)
  • Application focus: Ideal for threading applications such as pipe fittings, hydraulic components, and other parts requiring precise NPTF threads.

With the MT threading line, you gain a dependable, efficient solution that minimizes setup time while maximizing thread accuracy. The combination of a tough carbide body and a carefully engineered flute count supports consistent results across multiple passes, helping you reduce scrap and rework. The MT7 shank ensures a secure fit in your machine, promoting steady cuts and reliable tolerances whether you’re shaping internal holes or external threads for standard NPTF profiles. This tool is well-suited for shops that need a single, versatile threading solution for varied metals and production demands.

Thread Form NPTF
Size 2 1/2 +
Pitch 8
Diameter (D) 20
Flute Length (l) 39.7
Shank Diameter (d) 20
No of Flutes 4
Overall Length (L) 105
Thread Mill Style Standard
Internal or External Internal & External
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.

★★★★★
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 Solid Carbide Thread Mills - NPTF - For Internal & External Thread (MT)

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You are viewing MT2020D398NPTFMT7. Click any other SKU to view its full details.

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