Features:

• 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, hardened steel & stainless steel. These drill bits feature a thick core for increased rigidity in hard materials.

Technical Data:

• Diameter d1 (mm): 4.00
• Diameter d1 (inch):
• Length l1 (mm): 75
• Length l2 (mm): 43