Drilling tools for mining industry

Roller cone bits

Bit 171,4 (6 3/4) AIRJ522
Product line
AirJet
Diameter (mm)
171,4
Diameter (dm)
6 3/4
Manufacture
VBM
Weight (kg)
19,0
Bit 171,4 (6 3/4) AIRJ122
Product line
AirJet
Diameter (mm)
171,4
Diameter (dm)
6 3/4
IADC
122
Connecting thread API
Pin 3 1/2 Reg
Manufacture
UBM
Weight (kg)
17,5
Bit 171,4 (6 3/4) AIRJ222
Product line
AirJet
Diameter (mm)
171,4
Diameter (dm)
6 3/4
IADC
222
Connecting thread API
Pin 3 1/2 Reg
Manufacture
UBM
Weight (kg)
17,5

Bit 215,9 (8 1/2) AIRP635
Product line
AirPro
Diameter (mm)
215,9
Diameter (dm)
8 1/2
IADC
635Y
Connecting thread API
Pin 4 1/2 Reg
Manufacture
VBM
Bit 228,6 (9) AIRP415
Product line
AirPro
Diameter (mm)
228,6
Diameter (dm)
9
IADC
415Y
Manufacture
VBM
Weight (kg)
39,9
Bit 244,5 (9 5/8) AIRP747
Product line
AirPro
Diameter (mm)
244,5
Diameter (dm)
9 5/8
IADC
747Y
Connecting thread API
Pin 4 1/2 FH
Manufacture
VBM

Bit 75 (2 61/64) AIRS542
Product line
AirStandart
Diameter (mm)
75,0
Diameter (dm)
2 61/64
IADC
542X
Connecting thread API
N-Rod
Manufacture
UBM
Weight (kg)
3,1
Bit 114,3 (4 1/2) AIRS332
Product line
AirStandart
Diameter (mm)
114,3
Diameter (dm)
4 1/2
IADC
332
Connecting thread API
Pin 2 3/8 Reg
Manufacture
UBM
Weight (kg)
6,0
Bit 120,6 (4 3/4) AIRS332
Product line
AirStandart
Diameter (mm)
120,6
Diameter (dm)
4 3/4
IADC
332
Connecting thread API
Pin 2 7/8 Reg
Manufacture
UBM
Weight (kg)
7,6

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