Drill Bit, Colbalt, 1/2" Dia, 3-1/4" OAL, Spiral Flute, 1-Flute, 1/2" Dia Shank, Reduced Shank, IRWIN 3016032 Jobber
Five percent cobalt and heavy duty web construction for higher heat and abrasion resistance, strength and durability. Split point begins drilling immediately, minimizing bit walk in applications such as heavy duty abrasive alloy metal drilling on hardened steel. Jobber length
