Product description:
Fast drilling speed in soft rock, sandstone
The inner and outer double gauge inserts make the drill bit more wear-resistant and durable
Available size: 60mm-175mm
Our products are used in various scenarios, such as Mining Industry Petroleum Natural Gas Water Well Tunneling Drilling
ADDRESS: No. 200, Renmin Road, Changge City, Henan Province, China
PHONE: +8619303995551
EMAIL:[email protected]