Back Home / Cutting Tools / Drill Bits / DRILL BIT – HD BLACK GOLD JOBBER LENGTH, 3/16″ DRILL BIT – HD BLACK GOLD JOBBER LENGTH, 3/16″ SKU: TIHD316 Categories: Cutting Tools, Drill Bits Diameter of 3/16″. Jobber length, 3-1/2″. 135° split point. Black and gold finish. Heavy duty construction. Outperform ordinary jobber drills by penetrating faster and lasting longer. The functional black and gold surface treatment holds lubricant for smoother drilling. Case Quantity: 1 Log In For Pricing