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3/4 Flute 3 Tooth Thread Mill (for Aluminium)

$17.95 - $59.95
(2 reviews) Write a Review
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For machining threads, these thread mills require you to mill or drill a hole prior to threading. These tools are perfect for aluminium, brass, plastics, exotic composites and any soft metals. They are not recommended for steel.

Size/pitch Shank diameter Blade diameter Effective Length Flute Total length Bottom hole
M3.0*0.5 4 2.40 6.2 3 50 2.5
M4.0*0.7 4 3.15 8.3 3 50 3.3
M5.0*0.8 6 4.05 10.4 3 50 4.2
M6.0*1.0 6 4.80 12.5 3 50 5.0
M8.0*1.25 8 6.50 16.6 4 60 6.8
M10*1.5 10 8.20 20.8 4 75 8.5
M12*1.75 10 9.90 25.0 4 75 10.2

2 Reviews Hide Reviews Show Reviews

  • 5
    Three tooth thread mill

    Posted by Gary Collins on 9th Feb 2026

    Nice clean crisp threads from this cutter, will buy again, if required.

  • 5
    3/4 FLUTE 3 TOOTH THREAD MILL (FOR ALUMINIUM

    Posted by Gary on 2nd Feb 2026

    Works well, seems to leave a better surface finish than the single tooth version. I needed to do a custom tool in fusion for the M6x1. Adams bits were able to supply dimensions for all critical parts. Two thumbs up for Adam for a quick email response and the tables with correct dimension info for me! Will buy again(soon) because i broke one due to my own stupidity!!