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Carmex Thread Mills Solid Carbide - Fast Type - With Internal Coolant Bore - UN (UNC UNF UNEF UNS) - 9/16, 5/8, 1 1/16, 1 1/8 x 18 - MT8

SKU:FMT16125H2618UNMT8

Carmex FMT/Fast MT solid carbide thread mills are built for high‑speed, precise internal threading across common unified thread forms. Designed for production environments that demand quick, repe... Read more ↓
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Thread FormUN (UNC UNF UNEF UNS)
Size9/16 5/8 1 1/16 1 1/8
Pitch18
Diameter (D)12.5
Flute Length (l)26.1
Shank Diameter (d)16
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£318.52
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 FMT/Fast MT solid carbide thread mills are built for high‑speed, precise internal threading across common unified thread forms. Designed for production environments that demand quick, repeatable threads with minimal downtime.

  • Large flute count: 5–8 flutes dramatically reduce cycle times and improve chip evacuation for faster threading.
  • Internal coolant bore: Integrated coolant channel enhances cooling and debris removal to maintain thread quality and extend tool life.
  • Solid carbide construction: Rigid, heat‑resistant design delivers stable performance at high cutting speeds.
  • Thread form compatibility: Supports UNC, UNF, UNEF, and UNS threading, accommodating a wide range of unified thread specifications.
  • MT8 Morse taper: Secure MT8 shank for compatibility with a broad selection of tool holders and machines.
  • Size range and pitch: Available in 9/16 in, 5/8 in, 1 1/16 in, and 1 1/8 in diameter with 18 TPI threads.

This combination of fast material removal, effective cooling, and versatile thread-form compatibility makes these thread mills ideal for high‑volume manufacturing, automotive and aerospace components, mold work, and precision tooling. Use them to achieve consistent internal threads with tight tolerances, reduce machining time, and improve overall production efficiency.

Thread Form UN (UNC UNF UNEF UNS)
Size 9/16 5/8 1 1/16 1 1/8
Pitch 18
Diameter (D) 12.5
Flute Length (l) 26.1
Shank Diameter (d) 16
No of Flutes 8
Overall Length (L) 105
Thread Mill Style Fast + Chamfer + Coolant
Internal or External Internal
Coating MT8

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 Fast Solid Carbide Thread Mills - UN (UNC, UNF, UNEF) - With Internal Coolant Bore (FMT)

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You are viewing FMT16125H2618UNMT8. Click any other SKU to view its full details.

Product SKUSizePitchFlute LengthReachShank DiameterOverall LengthPriceStock Order
FMT08048E1220UNMT8 1/42012.112.1864£187.10 5 days
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FMT12082G1724UNMT8 3/8 9/16 5/8 11/162417.517.51284£269.98 5 days
FMT12085F2014UNMT8 7/16 7/81422221284£269.98 5 days
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FMT12098H1928UNMT8 7/16 - 1/22820.520.51284£269.98 5 days
FMT14111H2220UNMT8 1/2 3/4 7/8 12022.222.21484£300.30 5 days
FMT16116F2612UNMT8 9/16 11226.526.516105£318.52 5 days
FMT16125H2618UNMT8 Viewing9/16 5/8 1 1/16 1 1/81826.126.116105£318.52 5 days
FMT1612F3311UNMT8 5/81133.433.416105£318.52 5 days
FMT20167H3416UNMT8 3/41634.134.120105£349.70 5 days

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