Drilling tools for oil and gas industry

Core bits

Corebit 139,7/67 CB609SM
Product line
CoreBits
Diameter (mm)
139,7x67,0
Diameter (dm)
5 1/2 x 2 41/64
IADC
S132
Manufacture
VBM
Corebit 139,7/52 CB613SM
Product line
CoreBits
Diameter (mm)
139,7x52,0
Diameter (dm)
5 1/2 х 2 3/64
IADC
S132
Manufacture
VBM
Corebit 146/80 CB613SM
Product line
CoreBits
Diameter (mm)
146,0x80,0
Diameter (dm)
5 3/4 x 3 5/32
IADC
S133
Manufacture
VBM

Volgaburmash and Uralburmash are Russia’s largest companies producing rock-cutting tools