150mm wear-resistant drilling rig spare parts,diamond core drill bit

Zhengzhou DEFY is one of the main drilling rig manufacture and exporter in China. We offer whole set of drilling rig with the drill bit as your requirement.

If you could kindly tell us your required diameter and local stratum(there is rock or not), we can recommend you suitable drill bits.

diamond bit features:

we can provide different size bits, from 75mm to 219mm diameter size, used on pebble,gravel,rock etc.

Strong wear resistance, long service life and durable use

High drilling efficiency, good sharpness for the bit

Can drill under low pressure and low rotating speed.

Zhengzhou DEFY service