Drill Tools, Hole Opener, HDD Drill Tools manufacturer / supplier in China, offering Super Trenchless Construction / HDD Rock Reamer / Hole Opener, 9 5/8" Hard Rock Drilling TCI Tricone Bit, 9 1/2" Hard Rock Drilling TCI Tricone Bit and so on.
|Min. Order / Reference FOB Price||1 Piece||US $1,100/ Piece|
|Cutting structure||Applicable formation|
|FJ437||0.35~0.90||280~60||Large radius offset crested scoop compacts in inner row, wedge compacts in outer row, high compact exposure and inequable spaced compacts arrangement||Very soft with low compressive strength and high drillability, such as shale, clay, sandstone, soft limestone, salt bed and gypsolyte, etc.|
|FJ537||0.50~1.05||220~40||Large radius offset crested scoop compacts in inner row, wedge compacts in outer row, high compact exposure and inequable spaced compacts arrangement||Medium soft with low compressive strength and harder abrasive stringers, such as hard shale, hard gypsolyte, soft limestone, sandstone and dolomite with stringers, etc.|
|FJ617||0.50~1.05||220~40||Large radius scoop compacts in inner row, wedge compacts in outer row and inequable spaced compacts arrangement||Medium hard with high compressive strength and thick & hard stringers, such as limestone, hard shale, mudstone and sandstone, etc.|
|FJ637||0.50~1.10||200~40||Conical compacts in inner row, spherical compacts in outer row||Medium hard with high compressive strength and abrasiveness, such as limestone, dolomite and hard sandstone, etc.|