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Description
Speed helix design for three times faster drilling than standard bits.Last 50 percent longer than high-speed steel.Easier drilling, reduced heat and extended drill bit life.Available in jobber length, stubby length, extended length (aircraft), 1/2 In. reduced shank (Silver and Deming).For use in steel, copper, aluminum, brass, oak, maple, MDF, pine, PVC, polycarbonate, acrylic, ABS, nylon and composite materials