RJ Style Drilling Blocks

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Crosby Group Logo McKissick Logo RJ Style Drilling Blocks

  • Capacities Available: 150, 250 and 350 Tons.
  • Double row, pre-adjusted tapered bearings with seals.
  • Blocks contain McKissick® Roll-Forged® sheaves with flame hardened grooves.
    - Grooves are API profile
  • Separate lubrication channel to each sheave.
  • Easy opening guards for quick string-up (no bolts to pull out and lose).
  • Each hook block is fitted with position lock and swivel lock assemblies.
  • Additional weights available upon request.
  • Manufactured to the requirements of API 8C, including all documentation.
    - Each block is individually serialized for full traceability.
    - Furnished with Certificate of Conformance.
  • All sizes are RFID EQUIPPED.
  • Hook is spring loaded with hydraulic snubber.
  • Minimum design temperature of -20°C (-4°F).
  • Standard top coat finish is safety orange enamel.
    - Other paint colors and systems are available on request.
    - Individual parts are primer coated on exposed surfaces.
  • Combination hook blocks have interchangeable parts with RJ Type McKissick® blocks built up to 1982.
    - Contact Crosby Customer Service for details.

RJ Style Drilling Block Specifications

* Additional wire rope sizes are available.

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