51833 CNC Solid Carbide Aluminum and Acrylic Cutting 55º Helix End Mill 5/16 Dia x 3/4 x 5/16 Inch Shank

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.