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Steel tooth tricone bit
crossover subs
Hybrid Bit
Recommended
12 1/4inch steel tooth drill bit
13 1/2nch steel tooth drill bit
9.5 inch IADC637metal sealed bearing type tricone bit
121/4inch iadc217 steel teeth tricone rock drilling bits
20inch IADC127 steel teeth tricone bit
550mm 22inch Assembled rock hole opener with guide plate for Water well/shaft constructionoil/gas drilling, geothermal well/mine drilling, old well repair, pile foundation rock expansion
600mm 24inch big size rock hole opener reamer bit
1300mm assembly hole opener for water well drilling
1200mm assembly hole opener for water well drilling
1000mm assembly hole opener for water well drilling
900mm assembly hole opener for water well drilling
550mm assembly hole opener for water well drilling
500mm assembly hole opener for water well drilling
700mm assembly hole opener for water well drilling
600mm assembly hole opener for water well drilling
For customers to solve practical problems, to meet the needs of users, genuine goods as the mission, in 2019, the State Intellectual Property Office issued a number of patent certificates