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8.5" RBit Roller Bit/ Roller Cutter for piling IADC 637 hard rock

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Address : Economic Development Zone of Hejian City, Cangzhou. Hebei, Province.China.
Worktime : 8:00-18:00(Beijing time)

E-mail : amanda@longyuebit.com
Tel : 86-153-73497780(Working time)   
Fax : 86-317-3852-994

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8.5" RBit Roller Bit/ Roller Cutter for piling IADC 637 hard rock

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Product Description

8.5" RBit Roller Bit/ Roller Cutter for piling IADC 637 hard rock

Basial Specification

 

IADC Code

637

Bit Size

8 1/2''

Tooth Type insert
Bit Weight 12.5kg
Meterial tungsten carbide insert,inlaid friction-reducing alloy
Bearing

Metal sealed bearing

Lubrication and seal  Adopt advanced grease 
Pressure control system The advanced compensator
Thrust faces Hardfaced with wear resistant alloy
Nozzles one
Gauge protection On the Shirttail:More carbide inserts increase gauge holding capability and bearing life

 

Recommended Drilling Parameters
IADC WOB(kn/mm) RPM(r/min) Formations
117 0.30-0.753 180-60 very soft formation with low compressive strenght and high drillability,such as caly,mudstone,chalk,etc.
127 0.30-0.85 180-60 soft formation with low compressive strength and high drillability,such as mudstone,gypsum,soft limestone,etc.
217 0.35-0.95 150-60 soft to medium hard formations with high compressive strength,such as medium soft shale,sandstone,limestone,etc.
437 0.35-0.9 240-70 soft formation with low compressive strenght and high drillability,such as caly,mudstone,chalk,soft limestone,etc.
517 0.35-1.0 140-60 medium soft formation with low compressive strength and high drillability,such as mudstone,sandstone,shale,etc.
537 0.45-1.0 120-50 medium soft to medium hard formation with low compressive strength,such as medium shale,sandstone,medium limestone,etc.
617 0.45-1.1 90-50 medium hard to hard formation witj high compressive strength,such as hard shale,limestone,dolomite,etc.
637 0.5-1.2 80-40 hard to very hard formation with high compressive strength,such as hard limestone,dolomite,marble,etc.
NOTE the upper limits of WOB and RPM in above table should not be used simultaneously

 Product Picture Show

8 1/2" Single Cone Rock Roller Drill Bit

Related Products

8 1/2" Single Cone Rock Roller Drill Bit

Company Profile

Basic information

Business Type:Manufacturer,Trading Company

Main Products: Tricone Bits,TCL Tricone Drill Bit ,PDC bIts,Steel Tooth Tricone Bit,Roller Cone

Total Annual Revenue:US$1 Million~US$2.5Million

Top 3 Market:Domestic Market 50.00%,Eastern Asia 10.00%,Mid 10.00%

Location:Hebei,China(Mainland)

Toal Employees:101-200 people

Year Established:2016

Company   Photos

 

8 1/2" Single Cone Rock Roller Drill Bit

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CONTACT INFORMATION

Address : Economic Development Zone of Hejian City, Cangzhou. Hebei, Province.China.
Worktime : 8:00-18:00(Beijing time)

E-mail : amanda@longyuebit.com
Tel : 86-153-73497780(Working time)   
Fax : 86-317-3852-994

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