41AN09 Taper-Length Drill Bits

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Coolant-through drill bits have holes that allow coolant to flow to their tip to reduce heat and help clear chips during drilling tasks. These bits have spiral flutes that evacuate chips as the bits drill into a workpiece, and they have a straight shank that installs into a drill chuck or similar toolholder. Carbide-tipped drill bits have carbide cutting edges that provide excellent hardness, wear resistance, and heat resistance and retain their hardness better than high-speed steel or cobalt cutting edges. The bits' bodies are made from a material that absorbs more vibration and shock than carbide. These bits have a bright finish that is not affected when their cutting edges are resharpened.