Endmills with upgraded helix angles are your friend when better surface finishes, reduced vibrations, enhanced chip removal and improved dimensional tolerances all take priority over material removal rates. , , New 55° helix 2 flute endmills with the ideal geometry for superb finishing of aluminum, acrylic and other non-ferrous materials., , Unique design for cutting aluminum, acrylic, brass, copper, and other non-ferrous materials., , Very capable of leaving a crystal-clear finish on acrylic for both walls and pocket floor surfaces.
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