Our Original

“You can not improve it, but they are copied…”

patent

Karbo`s High-Speed-Drill-Bit patent

bohrkrone_frei

Karbo`s High-Speed-Drill-Bit

For all saleable  3″; 4″ und 5″ DTH-hammers
from Ø 85 mm – 130 mm

 

“We invent, others just copy…”