Drag bit for water borehole, drag drill bit, diamond drag drill bits

A drag drill bit is a kind of drill bit that is used for drilling a water well borehole, and there are tungsten carbide drag drill bits and diamond drag drill bits. A drag drill bit is cheap than the other type of drill bit and durable, it can drill through hard rocks and soft rocks. A drag drill bit is one of the most common drill bit in the drilling market.