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Single Cone Rock Roller Drill Bits For Drilling Machines

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Brand Name :	MIROC
Model Number :	Single Cone Rock Roller Drill Bits
Certification :	API
Price :	negociated one
Payment Terms :	L/C, D/A, D/P, T/T, Western Union,
Supply Ability :	100000 Piece/Pieces per Month
Delivery Time :	10-15 days

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Single Cone Rock Roller Drill Bits For Drilling Machines

Single Cone Rock Roller Drill Bits For Drilling Machines

KSQ Technologies (Beijing) Co. Ltd. can design all the rock reamer (Hole Opener) for bith horizontal directional drilling and vertical drilling as your special request,for example center shaft length,thread type,roller cones sizes,pilot size,extra projection on the plam,nozzles,nozzles sizes,for bith replaceable cones and fixed cones hole opener for your whole drilling project.We registered brand-Longyue.

Cuttong Structure: part of tricone bit,both steel tooth bits and tci bits are available

Products Application: bit cutter legs are mainly used in building big diameter piling bits or hole opener main type available

Most of regular sizes and IADC code

Available Sizes:from 2 7/8 to 26'' large sizes for hole opener bit,reaner bit

Application:petroleum&gas,water well,mining and tectonic industries,oilfield,construction,geothermal,directional bording,and underground foundation work hard formation rock /roller cone cutter bit uesd in hdd reamer

Recommended Drilling Parameters
IADC	WOB(kn/mm)	RPM(r/min)	Formations
117	0.30-0.75	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

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