Drill Bits
We produce
Chisel drill bits,
Cross drill bits,
Button drill bits,
Drill rod and
coupling sleeve etc. The drill bits can be used for super hard ( f=20), hard rock(20>f>15), medium hard rock(15>f>10) and other rocks. The material can be YG5, YG8 or YG15 or tell us which place to use the drill bits, we choose the right material for you.