metal seal 6 inch 152mm iadc 637 tricone rock drill bit for HDD guide bit
1) Inserted roller cone bits, size 6-121/4 inch, IADC 517/537/617/637 suitable for, shale, limestone, sandstone, dolomite, gypsum, marble, granite, quartzite, bluestone, etc. 2) Bearing: The metal seal bearing has the best quality and the highest comprehensive service life. The bearing seal structure can choose the rubber seal, the composite seal and the metal seal bearing have different service lives. According to different working conditions, we can reasonably match the products for customers and effectively control the cost of drilling tools. .
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1) Inserted roller cone bits, size 6-121/4 inch, IADC 517/537/617/637 suitable for, shale, limestone, sandstone, dolomite, gypsum, marble, granite, quartzite, bluestone, etc.
2) Bearing: The metal seal bearing has the best quality and the highest comprehensive service life. The bearing seal structure can choose the rubber seal, the composite seal and the metal seal bearing have different service lives. According to different working conditions, we can reasonably match the products for customers and effectively control the cost of drilling tools. .1,size 152-311 mm (6-121/4 inch) 2,Sealed bearing type Two types , Rubber sealed and metal sealed 3,IADC code IADC code ,117,,127,217,247,437,517,537,617,637 4,Thread connection Pin (IF, API REG , NC,FH ) 5,Application Clay, mudstone, chalk, gypsum, salt rock, shale, limestone, sandstone, dolomite, marble Keywords：- HDD guide bit
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