1) Steel tooth roller bit, size 6 inch-121 / 4 inch, IADC 117/127/217 is suitable for soil, mudstone, gypsum, rock salt, chalk, soft lime,soft shale,with hard interlayer below 40 MPa Soft formation. 2)Bearing: rubber seal, compound seal, metal seal. The bearing seal structure can be selected from rubber seal, composite seal and metal seal bearing. The service life of the bearing is different. For different working conditions, the product can be reasonably matched with the working conditions, the product can be reasonably matched with the customer to effectively control the cost of drilling

1) Steel tooth roller bit, size 3 inch-26 inch, IADC 517/537/617/637 is suitable for soil, mudstone, gypsum, rock salt, chalk, soft lime,soft shale,with hard interlayer below 40 MPa Soft formation. 2)Bearing: rubber seal, compound seal, metal seal. The bearing seal structure can be selected from rubber seal, composite seal and metal seal bearing. The service life of the bearing is different. For different working conditions, the product can be reasonably matched with the working conditions, the product can be reasonably matched with the customer to effectively control the cost of drilling

1) tricone drill bit , 3-26 inches in size, IADC 517/537/617/637 suitable for shale, limestone, sandstone, dolomite, gypsum, marble, granite, quartzite, bluestone, etc. 2) Bearing: rubber seal, composite seal, metal seal. Bearing seal structure optional rubber seal, composite seal and metal seal bearing life is different, according to different working conditions, can be reasonable for customers with products, effectively control the cost of drilling tools

1) Steel tooth roller bit, size 3 inch 26 inch, IADC 517/537/617/637 is suitable for soil, mudstone, gypsum, rock salt, chalk, soft lime,soft shale,with hard interlayer below 40 MPa Soft formation. 2)Bearing: rubber seal, compound seal, metal seal. The bearing seal structure can be selected from rubber seal, composite seal and metal seal bearing. The service life of the bearing is different. For different working conditions, the product can be reasonably matched with the working conditions, the product can be reasonably matched with the customer to effectively control the cost of drilling

7.5 inch 190mm IADC537 TCI  tricone roller bit  / 7 inch iadc 517 tci tricone drill bit  / 190mm seal bearing tricone roller core drill bit  size 6 inch-121 / 4 inch, IADC417 / 517 / 537 / 617 / 637 / 737 is suitable for soil, mudstone, gypsum, rock salt, chalk, soft lime,soft shale,with hard interlayer below 40 MPa Soft formation. application : oil gas geothermy ming water well HDD and fundation

1) Steel tooth roller bit, size 3 inch-26 inch, IADC 517/537/617/637 is suitable for soil, mudstone, gypsum, rock salt, chalk, soft lime, soft shale,with hard interlayer below 40 MPa Soft formation. 2)Bearing: rubber seal, compound seal, metal seal. The bearing seal structure can be selected from rubber seal, composite seal and metal seal bearing. The service life of the bearing is different. For different working conditions, the product can be reasonably matched with the customer to effectively control the cost of drilling

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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