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28 Inches No Dig Metal Face Sealed Bearing Roller Cones Hole Opener for Hard Rock

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Specifications
Size 28"
Cutter Type Elastomer sealed bearing cutters for 12 1/4" tricone bit
IADC
637
Roller Cutter Quantity
5
Overall Length(mm)
1700
Thread Connection
NC31(Customized)
Operating Parameters
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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