Drill Collar
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 Hunan Steel Industrial Zone, No.9 Xiangfu Road, Yuhua District, Changsha, China







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Drill Collar Sizes

Date:2016-03-30      Views:802Time(s)      Label:Drill Collar    

Drill collars are thick-walled tubular pieces machined from solid bars of steel, usually plain carbon steel but sometimes of nonmagnetic nickel-copper alloy or other nonmagnetic premium alloys. Bestar provides various kinds of drill collars with the request of our clients. The Mechanical properties and corrosion resistance completely meet API standard and the collars have the characteristics of strong intensity and toughness.

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