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Yellow Foundation Drilling Tools / Hard Rock Drilling Rig Core Barrels

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Address: No.1310 Kaiyuan Road, Changlong Street, Changsha, Hunan

Contact name:Lina

Country/Region	china
City & Province	changsha hunan

Yellow Foundation Drilling Tools / Hard Rock Drilling Rig Core Barrels

Core barrels are generally divided into two types:

1- Core Barrel with Bullet Bits

Applicable for strong rock up to 100MPa or Rock with deep cracks:

2- Core Barrel with Roller Bits

Applicable for very strong rock formations with compressive strength grater than 100MPa;

Cutting Diameter Range: 600~3000mm

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