Electrical Business

Dewalt DD4004B12 to DD4426B6 industrial Cobalt drill bits

July 13, 2010
By Anthony Capkun


Dewalt launched a new line of industrial Cobalt drill bits (DD4004B12-DD4426B6) promises “unsurpassed performance” when drilling into stainless steel, high-temperature alloys, high-tensile materials, and all mild- and medium-gauge metals. The bits feature a patent-pending web-taper design that boasts increased strength, rigidity and breakage resistance. Additionally, the bits have an optimized 135º split-point that allows them to start on contact and penetrate the material quickly. For faster drilling and chip ejection, Dewalt’s industrial Cobalt drill bits also feature a heavy-duty flute design that produces faster chip ejection.


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