Back Home / Cutting Tools / Drill Bits / DRILL BIT COBALT 1/8 DRILL BIT COBALT 1/8 SKU: XTID18C Categories: Cutting Tools, Drill Bits Diameter of 1/8″. Jobber length, 2-3/4″. 135° split point. Cobalt, high speed steel Heavy duty construction. Works best in cast iron, low and medium carbon steel, high alloy steel and stainless steel. Diameter of 1/8″. Jobber length, 2-3/4″. 135° split point. Cobalt, high speed steel Heavy duty construction. Works best in cast iron, low and medium ca Case Quantity: 1 Log In For Pricing