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Yep that’s a hog style cutter. They work really well for bulk removal. But after a while aluminum starts sticking to them also. They don’t plug up like other burrs, but they still hold little chips and pieces tight to the flute that slows down their cutting abilityAluminum burrs typically have full length flutes and the flutes are wider open than the “teeth” on a normal burr. This prevents them from loading up in softer materials.