



28 Inches No Dig Metal Face Sealed Bearing Roller Cones Hole Opener for Hard Rock
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Application | Hard formations for high compressive strength, such as sandstone, hard shale, dolomite, hard gypsum, chert, granite, etc. |
1>Central bar of hole opener: Deep(deeper than 3000 meters) oil well drilling usage drill collar, steel grade is 4145H.
2>Body of hole opener: The body are high grade and strong steel plate, surface and structure are hard-faced by tungsten carbide .
3>Key point of roller cone hole opener is the quality of roller cones, Solidkey has numerous roller cone cutters for HDD requirement, the cutters are 6",8 1/2",9 1/2", 12 1/4", 17 1/2", bearing type includes metal-face sealed bearing and elastomer sealed bearing.
All the production of Solidkey are in lines of API standard, welcome your inquiry and cooperation.
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PDC Bits | Hole Opener | Roller Cones (Thirds) | Piling Roller Cones |
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CNTACT US
No.319-324, F1, Shoulashou Int'l. Autoparts Center,Shijing Road,Hejian City, Hebei Province, China
