Core heads manufactured by Universal Drilling Technique LLC
| Type | Outer diameter, mm | Inner diameter, mm | Connecting thread according to GOST 21210-75 | Maximum drilling thrust, kH. | Weight, kg | Height, mm |
|---|---|---|---|---|---|---|
| К 212,7/100 ТКЗ | 212,7 | 100 | З-161 | 140 | 25 | 320 |
| К 212,7/100 СЗ | 160 | 33,5 | 350 | |||
| К 212,7/80 ТКЗ | 80 | З-150 | 140 | 29 | 320 | |
| К 212,7/80 СЗ | 160 | 31 | 320 | |||
| КC 212,7/60 ТКЗ | 60 | З-161 | 150 | 36,6 | 260 | |
| К 187,3/80 ТКЗ | 187,3 | 80 | З-150 | 120 | 27 | 290 |
| К 187,3/80 СЗ | З-150 | 120 | 27 | 290 | ||
| К 158,7/67 ТКЗ | 187,7 | 67 | З-133 | 80 | 17 | 236 |
| К 158,7/67 СЗ | З-133 | 100 | 16 | 260 |