Core Barrels and Core Bits

Metric system

T36
T46
TT46
T56
TT56
WL56
WL66
T76
WL76
T86
T101
B101
B116
B131
B146
BHD 168
BHD 193
BHD 218
BHD 244

Inch system

B WL
N WL
H WL
P WL

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