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CK-178/80 BIT, CK-178/100 BIT
| Description |
СК-178/80 BIT |
СК-178/100 BIT |
| Core bit (OD/ core diameter), mm |
212...215,9/80 |
212...215,9/100 |
| OD of abody, mm |
178 |
178 |
| Max. operating length, mm |
16 885 |
16 885 |
| Transport length of a low section, mm |
10 081 |
10 081 |
| Transport length of an upper section, mm |
11 090 |
11 090 |
| Length of core recovered, mm |
15 300 |
15 300 |
| Quantity of sections |
2 (1) |
2 (1) |
| Upper coupling thread GOST 28487-90 |
box 3-133 or 3-117 |
box 3-133 or 3-117 |
| Low coupling thread GOST 21210-75 |
pin 3-150 |
pin 3-161 |
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