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OFFICE:No.15 ,No.319-324, F1, Shoulashou Int'l. Autoparts Center,Shijing                                           Road,Hejian City, Hebei Province, China
FACTORY:Junziguan,Shijingcun Town, Hejian City , Hebei Province , China

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

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

Summary information
Affiliate classification

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

Products Speification
Size  28"

Cutter Type

Metal-face 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.


Oil/Gas Well Drilling   .Water Well Drilling   .HDD(Trenchless)   .Foundation Piling
 Our Mission:
 Lower the cost of
 Who we are:
 To extract sources of energy underground.  
 To extract the water underground.
 To install pipelines underground with No-Dig. 
 To pile foundation for constructions.
 We are one of the people who makes above easier. 
 Let’s work together and enjoy this job.
A face-to-face meeting is welcomed in below exhibitions, including OTC , Bauma Germany/    China, No-Dig Shows, etc.
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