drill bit for rock

9 1/2 IADC 617 metal sealed bearing kingdream rock drill bits with API certification Advantage 1.High-strength, high flexibility, high temperature, high wear resistance. 2. High-precision metal seal. 3. Locking ... Read More

Customer Approved Oil Rig drill bit Manufacturer for mining and rock drilling Company profile Hebeiguangtong Manufacturing Co is a professional manufacturer engaged in the research, development, production, ... Read More

China good use of Kingdream Tricone drill bit manufacturer for mining and rock drilling Company Profile Guangtong company was founded three decades, and always adhere to market-oriented, innovation as a ... Read More

China good use of Kingdream Tricone drill bit manufacturer for mining and rock drilling Company Profile Guangtong company was founded three decades, and always adhere to market-oriented, innovation as a ... Read More

kingdream tricone rock bit / TCI drill bit /tricone bit 1.About The Tricone Bit 1) High-strength,high flexibility,high temperature,high wear resistance. 2) High-precision metal seal. 3) locking roller ball,to ... Read More

1.Structure features 1) with high precision bearings with neck to slide, two way thrust bearing; Tooth palm bearing surface surfacing hard alloy and cone bearing with reduced after welding together gold silver, ... Read More

8 1/2 Metal or rubber sealed bearing kingdream rock drill bits with tungsten carbide inserts 1.Introduction about us: We areHejian Chuanda Drilling Equipment Co., LtdDrilling Supplies Marketing Dept. specialize... Read More

TD drill bit.6 1/2'' tci tricone rock bit Structural features: 1.Cutting structure this type TCI tricone bits: The durability of premium tungsten carbide insert is improved with new formulas and new techniques ... Read More

High Quality Kingdream Tricone Rock Bit For Drill Mining Company profile Hebei Guangtong Manufacturing Co is a professional manufacturer engaged in the research, development, production, sale and service of ... Read More

API China Efficiency quality Tricone drill bit manufacturer for well mining equipment Product introduction TCI tricone bits for Mining and Rock Drilling The strength and wear resistance of inserts are improve ... Read More