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Drill America DWDTLCO series cobalt taper length drills are made of heat resistant cobalt. Features heavy duty construction for drilling in tough alloy steels, forgings and castings
Designed for drilling where a length longer than jobber length is required
Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys
Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools Round shanks allow use with a wide variety of toolholding systems
When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
Ideal for drilling in tough, high tensile strength materials
