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8 1/2" roller bits/IADC637

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Beijing Guangying Construction Machinery Co.,Ltd

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Place of Origin : China

Brand Name : DZ

Certification : ISO9001

Model Number : DZ 8 1/2"

MOQ : 1

Price : USD160.00/pc--USD2900.00/pc

Packaging Details : standard export package, plywood

Delivery Time : within 7 days

Payment Terms : 100% T/T before shipment

Supply Ability : 100000

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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

8 1/2" roller bits/IADC637 Images

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