GUHRING 9011830154800 Jobber Drill, 15.48mm, 140, Carbide. More details: Jobber Drill Bit, Dimension Type Metric, Size 15.48mm, Material Solid Carbide, Flute Length 83mm, Coolant Through Yes, Finish TiN, Point Angle 140 Degrees , Overall Length 133mm, Decimal Equivalent 0.6094 In., Shank Dia. 16mm, List Number 1183, Cutting Direction Right Hand, Point Type Self-Centering