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Sealed Bearing Structure Milled Tooth Drill Bit , Water Well Drill Bits 9 7/8"I ADC617

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Sealed Bearing Structure Milled Tooth Drill Bit , Water Well Drill Bits 9 7/8"I ADC617

Country/Region china
City & Province xiamen fujian
Categories Tool Processing Services

Product Details

9 7/8"IADC617 TCI tricone drill bits for well  oil and gas ,mining drilling

 

Sealed Bearing Structure:Air cooling roller bearing package. Balls lock the conewhich reduces the probability of cone-dropping to minimum.

Main Type Available:Size: 5 7/8",6",6 1/2",7 1/2",7 7/8",8 1/2",9 1/2",9 5/8",9 7/8",12 1/4",14 3/4",17 1/2", etc.

IADC Code:1-- Series, 2-- Series, 3—Series

 

Non-Sealed Roller Bearing Steel Tooth Bit

Cutting Structure: The wear-resistance of teeth is enhanced with premium tungsten carbide hard facing on the tooth surfaces.

Bearing Structure: on-sealed roller bearing. Drilling fluid can enter the bearing directly for cooling; Balls lock the cone which reduces the probability of cone Cropping to minimum

Main Type Available: Size: 2 3/8",3",3 5/8:",3 7/8",4",4 1/2",4 5/8",4 3/4",6",6 1/2",7 1/2",7 7/8",8 1/2",9 1/2",9 5/8",9 7/8",10 5/8",12 1/4", 17 1/2",etc.

 IADC Code:1-- Series,2-- Series,3-- Series

 

Metaled sealed Journal Bearing Steel Tooth Bit

Main Type Available: Size: 2 3/8",3",3 5/8:",3 7/8",4",4 1/2",4 5/8",4 3/4",6",6 1/2",7 1/2", 7 7/8",8 1/2",9 1/2" ,9 5/8",9 7/8",10 5/8",12 1/4", 17 1/2",etc.

IADC Code:                      1-- Series,2-- Series,3-- Series

IADC

WOB

(KN/mm)

RPM

(r/min)

Applicable Formations

437/447/435

0.35~0.9

240~70

Very soft formations with low compressive strength and high drillability,

such as clay, mudstone, chalk, gypsum, salt, soft limestone, etc.

517/527/515

0.35~1.0

220~60

Soft formations with low compressive strength and high drillability,

such as mudstone, gypsum, salt, soft limestone, etc.

537/547/535

 0.45~1.0

220~50

Soft to medium formations with low compressive strength, 

such as medium, soft shale, medium soft limestone, 

medium soft sandstone, medium formation with harder and abrasive interbeds, etc.

617/615

0.45~1.1

200~50

Medium hard formation with high compress strength, 

such as hard shale, limestone, sandstone, dolomite. etc

637/635

  0.5~1.1

180~40

Hard formations with high compressive strength, 

such as sandstone, limestone, dolomite ,hard gypsum, marble, etc.

Note: The upper limits of WOB and RPM in above table should not be used simultaneously.

 

Packaging & Shipping

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FAQ

Terms  & Conditions of Ordering: 

1 .Payment Terms: 

T/T (Telegraphic Transfer) or Western Union 

2. Delivery Term:

Based on order quantity, normally it takes 25 days for production.

Only 2 or 3 days if we have stock on your request size.

3. Transportation:

Sample order: we suggest Courier express or by air

Bulk order: we suggest by air or by sea.

4. Quality & Service:

A. There will be strict inspection and testing for every order before shipping out.

B Our sales team and Technical Support will response for your question within 24 hours (Holidays Excluded) through WhatsApp/Wechat: + 86 15831053665

C. Free replacement will provide once the failure confirmed caused or our product quality; Not satisfied with a refund.

About us

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Exhibition&Customer

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