5/16" Cobalt Short Threaded Shank Drill Bit Tekton Part Number CTH1937

Part Number CTH1937

Part Number T/A57072TN

Part Number DWTSMR3-48X5

Part Number: DUR740-95

also called left hand thread taps are used to make new threads or re-thread damaged and or jammed threads

5/16" Cobalt Short Threaded Shank Drill Bit Tekton Part Number CTH1937Product Description Threaded shank drill bits are type D adapter style. They are made from M42 8% cobalt and are manufactured to NAS 965 Type "D" specifications. They have 135 heavy duty split point and surface treated for drilling hard, tough, high tensile strength materials. When drilling low tensile strength materials, the Type "D" cobalt drill will have a significantly greater tool life than the NAS 965 Type B high speed steel adapter drill,