Back Home / Cutting Tools / Drill Bits / DRILL BIT-HEAVY DUTY JOBBER LENGTH, 1/16″ DRILL BIT-HEAVY DUTY JOBBER LENGTH, 1/16″ SKU: TID116 Categories: Cutting Tools, Drill Bits Diameter of 1/16″. Jobber length, 1-7/8″. 135° split point. Heavy duty construction. Black oxide finish. Recommended for portable drilling of low to medium carbon steels, cast iron and wood. Diameter of 1/16″. Jobber length, 1-7/8″. 135° split point. Heavy duty construction. Black oxide finish. Recommended for portable drilling of low to me Case Quantity: 12 Log In For Pricing