RR610 series
All RR610 type bits have open bearings and are designed for short hole drilling applications in all formation types.
Features and values
- Open Bearings.
- Available in both Milled tooth and TCI.
- Center Circulation.
One of many models of Sandviks RR610 series
RR620 series
All RR620 type bits have a patented single seal friction bearing and are specifically designed for HDD applications up to 25,000 psi/170 Mpa.
Features and values
- Single seal "Spinodal" sealed bearing.
- Available in both Milled tooth and TCI.
- Jet circulation.
- "Flat top" TCI leg and shirt tail protection.
One of many models of Sandviks RR620 series
RR640 Family of Drill Bits
All RR640 drill bits have the patented "Spinodal 2" sealed friction bearing system and are designed specifically for HDD applications up to and exceeding 50,000 psi/345 mpa.
Features and values
- Patented Single "Bullet" seal "Spinodal 2" sealed bearing. Sizes 5-1/2 in and 6-1/2 in.
- Patented Dual seal "Spinodal 2" with KevlarTM fabric "Excluder" technology.
- Available in TCI cutting structure.
- Patented Tru-CutTM Gage configuration.
- Jet circulation.
- Maximum Semi Round Top (SRT) TCI leg and shirt tail protection.
One of many models of Sandviks HDX series