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Advanced Performance High Feed 3-Flute Carbide Drill
Advanced performance high-precision finishing carbide ball end mill for high-hardness steels
The A Brand® AT-1 threadmill is designed with a left-hand helix for a small pitch diameter difference between the hole entry and the bottom of the hole, allowing a delay in gauge-out failure. Longer tool life can be achieved with elimination of “zero cutting” for correcting bending.