High-Performance Drills

ATI Stellram’s (LaVergne, TN) dual carbide HARDCORE™ Technology drills outrun ‘high performance’ drills by factors up to four times the tool life, two times the production speed and half the cost per hole.

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ATI Stellram’s (LaVergne, TN) dual carbide HARDCORE™ Technology drills outrun ‘high performance’ drills by factors up to four times the tool life, two times the production speed and half the cost per hole. The drills feature the company’s patented dual carbide technology—the core carbide grade is resilient to handle the slower speed of the tool center, while the grade of the outer shell is wear resistant to match the higher speed of the tool’s cutting edges. In traditional solid carbide drills, the single grade design forces a compromise between performance and durability. As a result, the drillpoints have been prone to chipping, which is a critical factor in performance and tool life. These drills feature high accuracy edge preparation for better hole quality; 140° point geometry produced to “zero” run out for reduced wear forces, specially designed flute profile for best chip evacuation, and TiAlN structure Nano coating for exceptional wear resistance and temperature diffusion.