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[China]
Address: No.1310 Kaiyuan Road, Changlong Street, Changsha, Hunan
Contact name:Lina
Changsha Golden Drilling Machinery Co.,Ltd |
Foundation Rock Drilling Rig Core Barrels Forging Processing Type
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