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Carmex Thread Mills Multifunction - With Coolant - UN (UNC UNF UNEF UNS) - 3/8 - 1/2 x 16 - MT7

SKU:DMT08067C2216UNMT7

Carmex's Thread Mills Multifunction with coolant is an all-in-one threading solution designed for shops that need fast, accurate threaded holes. It combines drilling, chamfering, and thread milli... Read more ↓
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Thread FormUN (UNC UNF UNEF UNS)
Size3/8 - 1/2
Pitch16
Diameter (D)6.7
Flute Length (l)22
Shank Diameter (d)8
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£144.56
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

Carmex's Thread Mills Multifunction with coolant is an all-in-one threading solution designed for shops that need fast, accurate threaded holes. It combines drilling, chamfering, and thread milling in a single pass, cutting cycle times and reducing tool changes.

  • All-in-one operation: Drills, chamfers, and mills threads in one pass, eliminating separate drilling steps.
  • Thread standards supported: Compatible with UN, UNC, UNF, UNEF and UNS thread forms for common fasteners.
  • Size range: Effective for 3/8" to 1/2" nominal thread diameters with 16 TPI.
  • Left- and right-hand threads: The same cutter handles both directions, simplifying setup and inventory.
  • Full profile thread milling: Delivers complete thread geometry for strength and accuracy.
  • Coolant-through design: Internal cooling improves chip evacuation, tool life, and surface finish.
  • MT7 shank: Stable Morse Taper 7 shank for secure, rigid mounting in compatible machines.

This tool minimizes machining costs by removing the need to drill the hole separately and shortening production cycles. It’s versatile for blind or through-hole applications and suitable for a wide range of materials, delivering consistent thread quality and dependable performance in every run.

Thread Form UN (UNC UNF UNEF UNS)
Size 3/8 - 1/2
Pitch 16
Diameter (D) 6.7
Flute Length (l) 22
Shank Diameter (d) 8
No of Flutes 3
Overall Length (L) 64
Thread Mill Style Multifunction + 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 Carbide Thread Mills - UN With Coolant (DMT)

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