
Фото
R38 Button Bit Ø57
Штыревые коронки · R38
Mid-large R38 face — 8-button pattern.
| Резьба | R38 |
| Диаметр | Ø57 |
| Профиль | standard |
| Кнопки | 8 |
- 8-button face
- Tungsten-carbide buttons
- R38 male thread shank
Ещё коронки R38
То же резьбовое семейство

R38 Button Bit Ø41
R38Compact R38 face for heavy underground.
- Диаметр
- Ø41
- Профиль
- standard
- ›7-button standard face
- ›Tungsten-carbide buttons
- ›R38 male thread shank

R38 Button Bit Ø45
R38Workhorse R38 face for heavy underground.
- Диаметр
- Ø45
- Профиль
- standard
- ›7-button standard face
- ›Tungsten-carbide buttons
- ›R38 male thread shank

R38 Button Bit Ø51 Retrac
R38Retrac face for unstable / fractured ground.
- Диаметр
- Ø51
- Профиль
- retrac
- ›8-button retrac face
- ›Reaming wings for retraction
- ›R38 male thread shank

R38 Button Bit Ø64
R38Top-of-range R38 face — 9-button pattern.
- Диаметр
- Ø64
- Профиль
- standard
- ›9-button face
- ›Tungsten-carbide buttons
- ›R38 male thread shank
