8 1 2inch rock roller drill bit

Brand Name:JSBIT

Place of Origin:Hebei, China

...2inch metal bearing single roller cone drill bit cutter Product Description Size 140mm 8 1/2 inch roller core bits part Machine Type piling tool/ hole opener roller bit Certification ISO & API Material Carbide Processing Type CAST Use piling engineering Other name roller cutter/Roller cone bits Bearing type journal Sealed Bearing Application Trenchless & HDD & Foundation rock driling Advantage High Performance Cost Ratio 1,NAME : roller...

Brand Name:ENG

Model Number:T1350

Place of Origin:China

...Bit 13-1/2inch IADC 114 API Roller Cone Bit 1 . Descriptions: Tungsten Carbide Insert (TCI) bits are are used middle to hard rock formation which offers a variety of carbide inserts such as spherically shaped inserts for very hard rock or conically shaped inserts for softer rock. The number of rows of inserts is directly related to the type of application and the size of hole to be drilled...

Brand Name:FLRT

Model Number:13 3/4" FSA437G

Place of Origin:China

...Rock Bit , Drill Bit , Sealed Journal Bearing , TCI Tricone Bit , Roller Cone Bit SIZE AVAILABLE Form 7 7/8inch to 17 1/2inch RECOMMENDED DRILLING PARAMETERS FOR APPLICATION Types & IADC Code 117 127 437 447 517 527 537 547 617 627 637 WOB KN/mm(Bit Dia.) 0.35~0.8 0.35~0.9 0.35~0.9 0.35~1.0 0.45~0.95 0.45~1.1 0.5~1.1 Lb/in. (Bit...

Brand Name:GLORYTEK

Model Number:6 1-2 IADC637

Place of Origin:China

TCI Teeth Elastomer sealed bearing tricone rock bit The Photo of products 1.Description: The roller bit is a widely used drilling bit. When the roller bit is working, the cutting teeth contact the bottom of the well alternately, the rock breaking torque...