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Drill Bits - Cobalt

Split Point Cobalt Drill

HSS-Co Cobalt Steel Alloy (5% Cobalt):

  • HSS Cobalt drills will hold their hardness at much higher temperatures than standard HSS Drills
  • Good for drilling aluminium, cast iron and steel and especially good for stainless steel and other hard materials

Split Point geometry: (from 3.0mm up)

  • Self centring (no wander)
  • Closer hole tolerances
  • Reduces thrust required