HTC Tool manufactures unique high performance Variable Helix tools that are designed to cut stainless steel and other tough alloys at high metal removal rates.  Get Even more reach with these Extra long Length Variable Helix.  HTC Variable Helix have 4 flutes variable indexed flute-to-flute and are coated in HTC's AlTiN Hard coat for high heat resistance in dry high speed machining.  The special tool geometry offers reduced vibration, greater strength, better tool life and faster feeds and speeds.  Each flute is grooved to maximize cooling and chip removal.

Long Length Variable Helix Square End, 4 flute