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Carmex Vertical Milling CMT Three Flute Insert - Threading - C12I24UNMT7

SKU:C12I24UNMT7

The Carmex Vertical Milling CMT Three Flute Insert - Threading - C12I24UNMT7 is a precision vertical milling insert designed for threading, grooves, chamfers, and more. It's ideal for engineers, ... Read more ↓
P
M
K
N
S
H
ApplicationThreading
Thread FormUN
Internal or ExternalInternal
Insert Diameter12
Pitch24
Number of Flutes3
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£33.76
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

The Carmex Vertical Milling CMT Three Flute Insert - Threading - C12I24UNMT7 is a precision vertical milling insert designed for threading, grooves, chamfers, and more. It's ideal for engineers, machinists, and hobbyists who demand reliable, repeatable results with clean thread forms and high surface quality.

Built with a ground profile for high precision, it performs well at higher machining parameters while delivering excellent surface finishes. The solid, accurate clamping enables full repeatability, and the same insert can be used for both right- and left-hand threads. Toolholders with Weldon shanks and coolant bore are available, and chamfer inserts are offered to extend capability.

  • Ground profile for precision and finish: The ground profile ensures tight tolerances and smooth surface finishes, enabling accurate threads and reducing finishing work.
  • Universal threading capability: One insert can handle both right- and left-hand threads with a rugged, repeatable clamp for consistent results across jobs.
  • Three-flute design for efficient cutting: The three-flute geometry promotes stable cutting and effective chip evacuation, helping you achieve faster cycles and reliable performance.

By using this insert, you can streamline threading tasks, reduce downtime from tool changes, and maintain consistent results across a range of materials. The combination of precision ground profile, versatile threading capability, and optimized flute geometry helps improve workflow, produce high-quality threads, and extend tool life for more productive machining sessions.

Application Threading
Thread Form UN
Internal or External Internal
Insert Diameter 12
Pitch 24
Number of Flutes 3
Holder Code H3 3.1 4 5 18 19 20

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 Vertical Milling CMT Multi Flute Inserts - Threading - UN

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