Sutton D109SM3 – Heavy Duty Cobalt Jobber Drill Bit Set (1.0 13.0mm x 0.5mm Rises) – 25 Piece

Sutton Tools Heavy Duty Cobalt Jobber Drills are industrial quality for drilling materials that have high hardness and tensile strength such as cast iron, bronze, hard steel & stainless steel. These drill bits feature a thick core for increased rigidity in hard materials.