ISO9001:2000,SGS certification.
Electroplated diamond core drill bit for mine, coal mine drill bits. all kinds of drill bit. the size is following:
1, Double tube drill:
Φ28,Φ36,Φ46,Φ59,Φ60,Φ66,Φ75,Φ76,Φ91,Φ94,Φ110
2,single tube drill:
Φ36,Φ46,Φ59,Φ75,Φ91,Φ94,Φ110,Φ130,Φ170,Φ200
3,rope drill
Φ46,Φ47,Φ59,Φ60,Φ75
4, different or unnormal drill
it depend on your requirements.
we can make our diamond drill to fit all kinds of geological stone.
1, soft layer:
Alluvial soil layer;
Mud ash zone;
sandstone;
shale;
2,middle-hard stone:
Fine single limestone;
Reinforced concrete;
dolostone;
Hard sandstone;
other middle-hard stones
3, hard-stone
basalt;
diorite;
diorite granite;
and others granite
4, super-hard stone:
super-hard granite;
high-silicon granite;
Quartz spot granite;
firestone
we are over 20years experience on make all kinds of diamond drills and diamond segments. cutting bits,core drills.
