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Hard stone drill bit HARDTEC
Hard stone drill bit HARDTEC

Hardstone drill bit

Hardstone drill bit HARDTEC

Drive / Execution / Features

Straight shank
Straight shank
Straight shank
Not suitable for hammer action
Not suitable for hammer action
  • ISO 5468
  • Asymmetric spiral shape
  • Straight flute entry
  • Milled flute
  • Special carbide tip
  • Diamond-ground carbide tip
  • High-temperature vacuum brazing at 1120°C
  • Ground surface

For use in / Application

Natural Stone
3
Natural Stone
Artificial Stone
3
Artificial Stone
Glass
2
Glass
Ceramics
2
Ceramics
Tiles / hard burnt brick
2
Tiles / hard burnt brick
  • In all rotary and percussion drilling machines
  • Only for rotary use
  • High contact pressure
  • Rotation speed approx. 1000 rpm
168

Data / Facts

D / Diameter 4–10 mm
L1 / Total length 75–120 mm
L2 / Working length 40–75 mm

Test results

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