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Aluminum

Deep cuts, single passes, no chatter.

The AL3 series removes aluminum fast enough to max out the machine, not the tool.

8×D
axial depth in a single pass
h4
shank tolerance (industry best)
5:1
reach (length-to-diameter)
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The AL3 series is built to take aluminum in fewer, deeper cuts — axial depths up to 8× the tool diameter in a single pass — with minimal chatter and vibration, plus long reach (up to a 5:1 length-to-diameter ratio) to finish deep walls. It will probably max out your machine's potential before the tool gives up.

Mirror Edge geometry eliminates chatter in high-speed aluminum, while the industry-leading h4 shank tolerance and standard anti-pull-out shank keep the tool exactly where you set it.

Why it wins

  • Mirror Edge™ geometry eliminates chatter and vibration.
  • h4 shank tolerance with standard anti-pull-out shank.
  • Chip-breaker geometry and optimal chip evacuation.
  • Multiple corner radii and thru-coolant options.
  • Long reach (3–5× diameter) — finish deep walls in one pass.

Best for

Aluminum & non-ferrousAerospace & electronics5-axis & die/moldJob shops

Proof & technical depth

ArticleThe Allure of Aluminum: Removing Metal Faster Without ChatterAluminum is easy to cut — which is exactly why the competition is won on cubic inches per minute. RobbJack's AL3 series takes 8×D-deep cuts in a single pass without chatter.Read it →ArticleAn End Mill Designed to Control ChatterRobbJack's Mirror Edge™ geometry keeps a flute in contact with the work until the next one engages — synchronizing vibration to kill chatter and unlock a fivefold jump in metal removal.Read it →

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