Rock DTH drilling bits & drilling rig spare parts
1).Suit water well,rock,mining
2).Dia: 90 to 95mm
3). Full range of siz
We supply a full range of drilling bits.
1).Suit water well,rock,mining
2).Dia: 90 to 95mm
3). Full range of size
DTH drilling bits & Rock DTH BITS
Dia: 90mm~95mm