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Carmex Thread Mills Solid Carbide - With Through Coolant - UN (UNC UNF UNEF UNS) - 3/4 x 10 - MT7

SKU:MTB16144D3410UNMT7

The Carmex MTB Solid Carbide Thread Mill with Through Coolant is built for precision internal threading in CNC mills, delivering consistent UNC, UNF, UNEF, and UNS threads with extended tool life... Read more ↓
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Thread FormUN (UNC UNF UNEF UNS)
Size3/4
Pitch10
Diameter (D)14.4
Flute Length (l)34.3
Shank Diameter (d)16
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£162.44 £216.59
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5 days estimated lead time — subject to availability
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The Carmex MTB Solid Carbide Thread Mill with Through Coolant is built for precision internal threading in CNC mills, delivering consistent UNC, UNF, UNEF, and UNS threads with extended tool life. Designed for shops and engineers who demand reliable performance, chip control, and long-lasting cutting power.

  • Through-Coolant Bore: coolant is delivered directly through the tool bore to the cutting edges, enabling efficient chip evacuation in deep holes and reducing heat buildup.
  • Solid Carbide Construction: a tough, heat-resistant material that maintains sharpness and rigidity for precise thread profiles across many materials.
  • MT7 Shank: robust Morse Taper 7 shank for secure, stable mounting on compatible milling centers and automatic tool changers.
  • Thread Form Compatibility: engineered to reliably create internal threads in UNC, UNF, UNEF, and UNS forms with tight tolerances.
  • Dimensions: 0.75" diameter with a 10" overall length, suitable for deep-hole and through-hole threading work.
  • Precision Geometry: optimized flute and cutting-edge geometry balance chip control, surface finish, and dimensional accuracy for repeatable results.

This MTB thread mill with through-coolant delivers measurable benefits: cleaner chip removal reduces the risk of re-cutting and built-up edge, while effective cooling extends tool life and stabilizes thread quality. It’s especially advantageous for automotive, hydraulic, and aerospace components where dependable internal threads and consistent finishes matter. Use it to streamline threading operations, minimize downtime, and achieve repeatable, high-quality results in challenging materials.

Thread Form UN (UNC UNF UNEF UNS)
Size 3/4
Pitch 10
Diameter (D) 14.4
Flute Length (l) 34.3
Shank Diameter (d) 16
No of Flutes 4
Overall Length (L) 105
Thread Mill Style Standard + Coolant
Internal or External Internal
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.

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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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honest about stock and prices are competitive.
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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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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.
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Full Range: Carmex Solid Carbide Thread Mills - UN (UNC, UNF, UNEF) - With Through Coolant (MTB)

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