Applicable Industries: Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Farms, Retail, Construction works , Energy & Mining, Other

Showroom Location: None

Video outgoing-inspection: Provided

Machinery Test Report: Provided

Marketing Type: Ordinary Product

Place of Origin: Hebei, China, Hebei, China (Mainland)

Brand Name: longyue

Type: DRILL BIT

Machine Type: Drilling Tool

Material: Carbon steel, High Carbon Steel

Processing Type: Forging

Use: Well Drilling

Sealed Type: Rubber/Metal Sealed Bearing

Certification: API, API

Product Name: 8 1/2" single roller bit roller cone bit for sale

Local Service Location: None

Supply Ability

Supply Ability 200 Piece/Pieces per Day

Packaging & Delivery

Packaging Details wooden case

Port tianjin port

Picture Example:

Lead Time:

Quantity(Pieces)	1 - 50	>50
Est. Time(days)	10	To be negotiated

8 1/2" single roller bit roller cone bit for sale

Company Information

8 1/2" single roller bit roller cone bit for sale

Hejian Longyue Drill Bit Manufacturer Co.,Ltd

is a manufacturer of Drill Bit with well-equpiied testing facilities andstrong technical force.With a wide range, good quality,reasonadle price and prompt delivery,our products are extensively used in oil filed,wrll Drilling,No Dig filed and other industries.our products are widely recognized and trusted by users and can meet continuously changing economic and social needs. We welcome new and from all walks of life to contact us for future business relationships andmutual success!

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8 1/2" single roller bit roller cone bit for sale

Product Description

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