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Porcelain stoneware drill bit Multipack polygon shaft, 5 pieces

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Porcelain stoneware drill bit Multipack polygon shaft, 5 pieces

The ideal solution, even for extremely hard stoneware tiles up to Mohs/scratch hardness 9, as well as glass and porcelain

  • Number of pieces in assortment/set: 5 PCS
  • Tool holding device: Polygon
  • Versatility (points system): 1 of 4 points
  • Service life (points system): 3 of 4 points
  • Drilling speed (point system): 2 of 4 points
  • Bore hole quality (point system): 4 of 4 points

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Variants

Specially designed carbide plate geometry (multi-surface precision grinding)


  • Precise tapping

  • Precise, chip-free drilling


New polygon shank


  • No slippage in the drill chuck

  • Optimal torque transmission


Drill depth indicator


The coloured ring indicates the ideal drilling depth



No cooling required


Dry drilling

Notice
  • Max. rotation speed: Diameter 5 mm (800 rpm), diameter 6 and 8 mm (600 rpm), diameter 10 and 12 mm (400 rpm), diameter 14 mm (200 rpm)

  • Not suitable for impact drilling. For rotary drilling only.

  • Optimum contact pressure: 35-45 kg

  • If the recommended drilling speed is observed and the optimum contact pressure applied, but you can no longer hear a scraping sound, the drill bit has reached the end of its service life.

  • Avoid placing high contact pressure on the drill bit when it is not rotating → Risk of breakage!

  • Contact pressure too low and/or drilling speed too high → Service life ends prematurely!

  • Avoid tilting and swivelling movements during the drilling process → Risk of breakage!

  • We recommend drilling test holes (ideally in waste material from the tiles to be drilled)

  • If the 14 mm diameter drill bit is used, pre-drilling must be carried out with an additional drill bit (8 mm)