roller drilling bit

China High Quality TCI button drill bit Manufacturer with API certification Product information Tricone bit Cutting structure: very long widely spaced ,chisel-shaped inserts and considerable cone axis offset ... 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

API China High Efficiency 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 by ... Read More

Well Used TCI button drill bit Manufacturer for mining and rock drilling Product information The strength and wear resistance of inserts are improve by using carbide inserts with high strength and high wear ... Read More

Supply API core drill bit / 6 1/8''IADC517 tci tricone rock bit Product information The tcicone bits can be used in various of different fields.mining.hydrology.subterranean heatp illing.water well drilling and ... Read More

Oil Equipment Button insert drill Bit for rock Manufacturer for mining Company profile Hebei ChuandaManufacturing Co is a professional manufacturer engaged in the research, development, production, sale and ... Read More

Tricone drill bits with API certification for water well drilling product information Chuanda company was founded three decades, and always adhere to market-oriented, innovation as a starting point, to provide ... Read More

China high 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 by using ... Read More

Tricone drill bits with API certification for water well drilling product information Chuanda company was founded three decades, and always adhere to market-oriented, innovation as a starting point, to provide ... Read More

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