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8 1/2 roller bits/IADC637
8 1/2 roller bits/IADC637
8 1/2 roller bits/IADC637
8 1/2 roller bits/IADC637
8 1/2 roller bits/IADC637
8 1/2 roller bits/IADC637
8 1/2 roller bits/IADC637
8 1/2 roller bits/IADC637
8 1/2 roller bits/IADC637
8 1/2 roller bits/IADC637
Specifications
Place of Origin :
China
Brand Name :
DZ
Certification :
ISO9001
Model Number :
DZ 8 1/2"
Description

8 1/2" roller bits used on 1800mm core barrel drilling bucket.

1. metal sealed bearing

2. working time: about100 hours

3. IADC:637

4. suitable to hard formations with high compressive strength, such as sandstone, limestone, dolomite, hard gypsum, marbel, etc.

5. competitive price

Product tags

taper drill sizes

,

tricone rock roller drill bit

,

tricone rock roller drill bits
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8 1/2" roller bits/IADC637

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Product Detail
Place of Origin :
China
Brand Name :
DZ
Certification :
ISO9001
Model Number :
DZ 8 1/2"
Contact Supplier
8 1/2 roller bits/IADC637
8 1/2 roller bits/IADC637
8 1/2 roller bits/IADC637
8 1/2 roller bits/IADC637
8 1/2 roller bits/IADC637

Beijing Guangying Construction Machinery Co.,Ltd

Active Member
12 Years
Beijing, Beijing
Since 2008
Business Type :
Manufacturer,Distributor/Wholesaler,Exporter,TradingCompany,Seller
Main Products :
Absorber Spring, Casing, drill auger
Total Annual :
$1,000,000-$5,000,000
Employee Number :
100-200
Certification Level :
Active Member
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