drill bits,drill segments,hss drill bits are used for cutting all kinds of stone.diamond drills.over 20years experience in China

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.

super quality mineral core drilling