Heads - Single tube core barrel B Type
 Single tube core barrel B Type - Head |
 Single tube core barrel B Type - TC Reinforced head |
| DESCRIPTION | ||||
| 46 B | 66 B | 86 B | 116 B | 146 B |
| 56 B | 76 B | 101 B | 131 B | |
| DESCRIPTION | |||
| 66 B | 86 B | 116 B | 146 B |
| 76 B | 101 B | 131 B | |