Metal Removal

Metal Removal Solid Carbide End Mills

Maestro Series CM-4 & CM-4S


  • 4-flute, right-hand spiral, right-hand cut
  • Patented flute form with constant rake and unequal flute division
  • Tools 1/2" and larger supplied with Weldon flats on shank
  • Can be run at 40% higher speed rates than conventional high-performance tools
  • Metric sizes available as specials
  • Square end:
    • Series CM-4 with corner chamfer for heavier cuts
    • Series CM-4S with square corners for lighter cuts and finishing operations
  • 10% submicron grain carbide substrate
  • TiAlN coated standard


  • Universal chatter-free machining in a wide variety of materials.
  • Use as both rougher and finisher.
  • Outstanding surface finishes at high machining speeds
Maestro CM-4