Large Step Drill Bit, CYLBAQ HSS Spiral Step Drill Bits For Metal,Titanium High Speed Steel 6-60MM Step Cone Cutter Multiple Hole Drilling Cone Drill Bit Stepped Up Bits For DIY Lovers

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Product description

  • Material HSS 4241 High hardness Material Titanium, rustproof.
  • Application Drills Perfectly Holes in Steel, Brass, Plastic, Wood,iron plate etc,PVC sheet.Suit for use in hardness under 25 artifacts,The plate thickness under 5mm
  • Spiral Design 135 Split point tip and double fluted design for self-centering and deburrin 2 Flute spiral blade design makes the cutting faster
  • Multi-size 6-60mm(12 steps 6mm, 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm) Shank diameter 13mm
  • Notice Use water cooling in drilling to extend bit life.Recommended drill speed 250-400rpm.

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