Drilling tools for construction industry

Roller cone bits

Bit 393,7 (15 1/2) TCN123
Product line
Techno
Diameter (mm)
393,7
Diameter (dm)
15 1/2
IADC
123
Connecting thread API
Pin 7 5/8 Reg
Manufacture
VBM
Weight (kg)
180,0
Bit 444,5 (17 1/2) TCN123
Product line
Techno
Diameter (mm)
444,5
Diameter (dm)
17 1/2
IADC
123
Connecting thread API
Pin 7 5/8 Reg
Manufacture
VBM
Weight (kg)
235,0

Bit 165,1 (6 1/2) TCNP127
Product line
TechnoPro
Diameter (mm)
165,1
Diameter (dm)
6 1/2
IADC
127
Connecting thread API
Pin 3 1/2 Reg
Manufacture
VBM
Weight (kg)
20,0
Bit 171,4 (6 3/4) TCNP117
Product line
TechnoPro
Diameter (mm)
171,4
Diameter (dm)
6 3/4
IADC
117
Connecting thread API
Pin 3 1/2 Reg
Manufacture
VBM
Weight (kg)
18,0
Bit 190,5 (7 1/2) TCNP517
Product line
TechnoPro
Diameter (mm)
190,5
Diameter (dm)
7 1/2
IADC
517X
Connecting thread API
Pin 4 1/2 Reg
Manufacture
VBM
Weight (kg)
30,0

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