1000mm JZTG Conical Rock Auger Bits with bullet teeth

This is a new batch cargo, products including conical rock auger, flat rock auger, core barrel with bullet teeth. These are all for a big drilling rig enterprise here. 
The auger in the picture waiting for packing is a conical rock auger, drilling width is 1000mm, can be used for loosening water-bearing cohesive and non-cohesive soils borehole drilling, or breaking and ripping medium to strong rock (15-60Mpa).