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Carmex Thread Mills Solid Carbide - With Through Coolant - MJ - MJ 12 x 1.75 - MT7

SKU:MTB10095D231.75MJMT7

Building on Carmex’s MT threading tools, the MTB line introduces through-bore coolant to simplify chip evacuation and extend tool life. This solid carbide thread mill with an MT7 shank is designed... Read more ↓
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Thread FormMJ
SizeMJ 12
Pitch1.75
Diameter (D)9.5
Flute Length (l)23.6
Shank Diameter (d)10
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£123.23 £164.31
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5 days estimated lead time — subject to availability
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Building on Carmex’s MT threading tools, the MTB line introduces through-bore coolant to simplify chip evacuation and extend tool life. This solid carbide thread mill with an MT7 shank is designed for precise metric threading (MJ 12 x 1.75) in demanding workpieces.

  • Through-bore coolant: coolant flows directly through the bore to carry chips out of the hole and keep the cutting zone cool for smoother, more reliable threading.
  • Solid carbide construction: rigid, wear-resistant material that maintains accuracy during high-speed, high-precision threading applications.
  • MT7 shank: compatible Morse Taper 7 mounting for secure, robust tool seating in suitable machines.
  • Metric thread geometry: MJ 12 x 1.75 — 12 mm nominal diameter with a 1.75 mm pitch for precise metric threads.
  • Optimized for threading operations: engineered to deliver consistent thread forms with efficient chip control and reduced rework in challenging materials.

By enabling coolant to reach the cutting edges and leveraging the durability of solid carbide, this thread mill delivers reliable performance across extended machining sessions. It’s ideal for environments where precise metric threads are required in metal parts, enabling cleaner holes, steadier feeds, and longer tool life with less downtime for tool changes.

Thread Form MJ
Size MJ 12
Pitch 1.75
Diameter (D) 9.5
Flute Length (l) 23.6
Shank Diameter (d) 10
No of Flutes 4
Overall Length (L) 73
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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first place we look
honest about stock and prices are competitive.
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★★★★★
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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 - MJ - With Through Coolant (MTB)

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