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Carmex Thread Mills Carbide - Through Coolant (Flutes) - G (55 Degree) BSF BSP - G1/8 x 28 - MT7

SKU:MTZ08078C1428WMT7

Introducing the Carmex MTZ thread mill: a carbide, through-coolant tool engineered for precise through-hole threading. Designed for MT7 holders and G1/8 x 28 threads, it delivers coolant directly... Read more ↓
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Thread FormG (55 Degree) BSF BSP
SizeG1/8
Pitch28
Diameter (D)7.8
Flute Length (l)14.1
Shank Diameter (d)8
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£136.21 £181.61
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5 days estimated lead time — subject to availability
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Introducing the Carmex MTZ thread mill: a carbide, through-coolant tool engineered for precise through-hole threading. Designed for MT7 holders and G1/8 x 28 threads, it delivers coolant directly through the flutes to the cutting edge for consistent, high-quality threads.

  • Through-Coolant Flute Delivery: Coolant is channeled through the flutes to the cutting edge, improving heat control and chip evacuation for cleaner threads.
  • 55° G-Thread Form: 55-degree thread geometry (G-style) provides accurate engagement and robust thread form in metallic workpieces.
  • G1/8 x 28 Thread Size: Optimized to produce precise G1/8 x 28 threads on through-holes with reliable repeatability.
  • MT7 Shank: Stable MT7 shank compatibility ensures rigid seating in standard CNC toolholders for consistent milling performance.
  • Solid Carbide Construction: Premium carbide offers superior hardness and wear resistance for longer tool life in demanding materials.
  • Direct Chip Removal for Through-Hole Machining: Flute geometry supports efficient chip clearance, reducing clogging and potential burrs on through-hole threads.
  • Machine-Friendly Without External Coolant: Effective cooling and cutting performance even on systems without an external coolant supply, enhancing versatility in workshop setups.

The Carmex MTZ through-coolant thread mill is built to deliver dependable threading results where through-holes and coolant access are critical. Expect clean thread profiles, reduced heat-related distortion, and improved productivity thanks to direct cooling and efficient chip removal. Ideal for shops manufacturing components requiring G1/8 x 28 threads, from aerospace and automotive to general precision machining, this tool pairs robust carbide performance with practical, real-world usability.

Thread Form G (55 Degree) BSF BSP
Size G1/8
Pitch 28
Diameter (D) 7.8
Flute Length (l) 14.1
Shank Diameter (d) 8
No of Flutes 3
Overall Length (L) 64
Thread Mill Style Standard + Coolant (Flutes)
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.

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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 Solid Carbide Thread Mills - G55' BSF, BSP - With Internal Coolant Through The Flutes (MTZ)

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