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.
Sold in a pack of 10
Thread Diameter (mm) 3.5
Overall Length (mm) 70
Flute Length (mm) 39
We supply so much more than just bearings!
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