LEKOMESH Countersink Drill Bits Set - M35 Cobalt Countersink Drill Bit Set for Metal 6pcs(6.3+8.3+10.4+12.4+16.5+20.5mm) Bits Set for Stainless Steel Iron Aluminium Wood,Round Shank

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  • SIZE 6pcs 6.3+8.3+10.4+12.4+16.5+20.5mm M35 cobalt countersink drill bit set; total length 45-63mm, working length 6-17mm, round shank.
  • APPLICATION Drilling (countersinking) and chamfering of surfaces of stainless steel (up to 2MM), copper, aluminium and other metals, wood and plastics, etc.; (slower drilling speed recommended for stainless steel).
  • M35 Industrial Grade High-speed Steel High hardness, high sharpness, high wear resistance, long service life.
  • Surface Plating Cobalt titanium aluminium nitride (TIALN) plated surface for improved cutting performance, increased hardness, wear resistance and corrosion protection.
  • Recommended Machine Corded Drill, cordless Drill, benchtop Drill. General hand drill in the range of 2000-5000RPM, for soft materials, slow down the speed (1000RPM)

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