Specifications
diamond drill bit for sale1. soil, sand, gravel, rocks
2. geological coring, mining blast, etc
3. for drilling rig sparepart
rock drilling used diamond drill bit for sale
Zhengzhou DEFY is one of the main drilling rig and drill bit manufacture in China. We offer different sizes of drill bit for customer choice.
There are diamond drill bits for 75mm, 89mm, 110mm, 131mm, 159mm, 171mm, 203mm, 219mm, 250mm, etc.
If you could kindly tell us your required diameter and local stratum(there is rock or not), we can recommend you suitable drill bits.
Features:
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.