Carbide buttons

Drill bits

01_k 

drill bits with ballistic carbide buttons

  • universal use : soft to medium hard rock
  • high penetration rate
  • high penetration rate
 02_k 

drill bits with ball headed/spherical/hemipherical carbide buttons

  • high abrasive rock, unfavourable drilling conditions
  • low penetration rate
 03_k 

drill bits with semi-ballistic/parabolic carbide buttons

  • intermediate shape between ball-headed and ballistic
  • hard and abrasive rock
  • medium penetration rate
 04_k 

drill bits with conical carbide buttons

  • soft and compact rock (limestone – without quartz)
  • high penetration rate
  • eventually without back cutters
 formen 

drill bits with combined carbide buttons, e.g. ball-headed or semi-ballistic buttons on the outer edge and ballistc buttons in the center

  • hard and abrasive rock
  • eventually without back cutters