Alpen 5/16" HSS Cobalt Jobber Drills

Code: A613007941

Alpen Cobalt Drill Bits

  • 5% cobalt alloyed jobber drills with a high heat resistance
  • For drilling steel with tensile strength over 800 N/mm2
  • Especially suitable for high alloyed steels, bearing-steels, and hot/cold rolled steels
  • Ideal for stainless steel
  • Highly accurate centering
  • Break-resistant
  • Industrial quality

Diameter: 5/16”
Working length: 75mm
Overall length: 117mm

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