Somta Jobber Drills Parabolic Flute - UnCoated - 2.1mmThe Somta Parabolic Flute Jobber Drills Uncoated (164) are versatile drill bits designed for general purpose drilling tasks. These jobber drills feature a parabolic flute design, which facilitates efficient chip evacuation and reduces cutting forces, resulting in smoother drilling operations. The uncoated construction of these drill bits allows for increased heat dissipation during drilling, making them suitable for a wide range of materials,