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Horizontal Direction Drilling (HDD) Bits | RR620 series | Sandvik

Supplier: Sandvik Mining and Construction

The Sandvik RR620 series Horizontal Direction Drilling (HDD) Bits are fabricated to drill formations which are reasonably well compacted and abrasive.

Price Guide: POA

Features

  • Size is 5.5" (140 mm).
  • Nominal diameter is 5.531" (140.5 mm).
  • Bearing type is sealed friction.
  • Inner/Gage inserts: 48/43
  • Pin/Bit connection types: 27/8" API
  • Rotation speed (RPM) - Min. to Max: 70 - 200

Benefits

  • Advanced Pfi nodal metallurgy is used to dramatically increase the weight and rotation speed capacities of the patented sealed bearing system.
  • Flat top leg and shirttail inserts are pressed into the bit body for wear protection. This feature extends bit life and increases reliability in dirty hole situations.

Applications

It is designed to drill soft, medium and medium-hard formations that are reasonably well compacted. These include shale, mudstone, sandstone, limestone and some granite formations.