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durable well drilling /mining 4 1/8" single roller bits

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HEJIAN RLB DRILLING EQUIPMENT CO.,LTD

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durable well drilling /mining 4 1/8" single roller bits

Name: durable well drilling mining 4 18quot single roller bits
Brand: RLB
Price: 500 USD

Place of Origin : HEBEI

Brand Name : RLB

Certification : API &ISO

Model Number : IADC 127,537,637

Bearing : metal-face bearing and rubber-face bearing

MOQ : 3 pcs

Price : 500 usd-

Packaging Details : wooden case

Delivery Time : 7-15 days

Payment Terms : T/T,WESTERN UNION,MONEY GRAM

Supply Ability : 300 pcs per month

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durable well drilling /mining 4 1/8" single roller bits

Product Description

IADC	WOB(KN/mm)	RPM(r/min)	Applicable Formations
527	0.3-0.7	120-50	Soft formation with low compressive strength and high drillability,such as mudstone,gypsum,salt,soft shale,soft limestone,etc
547	0.3-0.7	100-50	Soft to medium formation with low compressive strength,such as medium soft shale,medium soft limestone,medium soft sandstone,medium for formation with harder and abrasiver interbeds,etc.
617	0.4-0.8	90-50	Medium hard formations with high compressive strength,such as hard shale,limestone,sandstone,dolomite,etc.

It is suitable for sidetracking,deep well drilling and old well repairing.

1 Two watercourse can improve washing endurance and prevent mud.

2 Silver-plated at sliding surfaces of cone bearing to strength self-lubricating effect,and improve the bearing of wear-resisting life.

3 The bit inlaid with diamond compact teeth can be more effectively improve working life.

4 Two advanced high-saturated buna-N rubber seal rings are used for journal and bearing pin sealing,which ensured the high reliability of the bearing seal structure.

5 The bearing is improved by applying hard facing layer on head bearing surface,extended working life.

Quality durable well drilling /mining 4 1/8" single roller bits for sale

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