
Photo
R38 Button Bit Ø57
Button Bits · R38
Mid-large R38 face — 8-button pattern.
| Thread | R38 |
| Diameter | Ø57 |
| Profile | standard |
| Buttons | 8 |
- 8-button face
- Tungsten-carbide buttons
- R38 male thread shank
More R38 button bits
Same thread family

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

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

R38 Button Bit Ø51 Retrac
R38Retrac face for unstable / fractured ground.
- Diameter
- Ø51
- Profile
- 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.
- Diameter
- Ø64
- Profile
- standard
- ›9-button face
- ›Tungsten-carbide buttons
- ›R38 male thread shank
