Horizontal Direction Drilling (HDD) bits - HDSM_6.125 Brochure

SANDVIK is a registered trademark owned by Sandvik Companies in Sweden and other countries. © 2009 SANDVIKPfi nodal is a registered trademark of AMETEK, Inc. SANDVIK MINING AND CONSTRUCTION • www.sandvik.comRR620 Series Sealed Friction BitProduct Specifi cationsDRILLING APPLICATIONSDesigned to drill softer formations up to 10,000 psi. This includes clays, silts, shale, and soft sandstones.6 1/8" (155.5 mm) HDSMFEATURES / BENEFITSPatented Pfi nodal® Bearing and Proprietary Single Seal TechnologyAdvanced Pfi nodal metallurgy is used to dramatically increase the weight and rotation speed capacities of this patented sealed bearing system.Milled Tooth Gage RowProprietary hard metal weld formulation is used on the gage row teeth to slow tooth wear.Gage and Shirttail ProtectionProprietary hard metal weld formulation is used on the shirttail to slow shirttail wear. TCI inserts on heel row.PRODUCT SPECIFICATIONSSize 6 1/8" (155.5 mm)Nominal Diameter 6.140" (155.9 mm)Type HDSM (IADC 127)Approximate Weight 42 lb (19.1 kg)DESIGN SPECSBearing Type Sealed FrictionInner/Gage 4/3Heel Row Inserts 60Inner/Gage Tooth Count 24/29Pin/Bit Connection Types 3 1/2" API OPERATING PARAMETERSWeight on BitLb - Min. to Max. (1,000's) 6.0 - 12.0 Tonnes - Min. to Max. 2 - 6Rotation Speed (RPM) - Min. to Max 70 - 2006 1/8" HDSMPfi nodal® Sealed Bearing Gage and Shirttail ProtectionMilled Tooth Gage Row