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Horizontal Direction Drilling (HDD) bits
Sandvik HDD roller-cone rock bits and reamers are specifically designed to meet the rigorous demands of horizontal directional drilling. The cutting structures and bearing designs lower torque requirements, resulting in higher penetration rates and longer operating hours. Sandvik HDD products enable contractors to drill and ream more and longer crossings in a single pass without the need to trip out.
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.
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.
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
- Available in TCI cutting structure.
