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52mm Low Profile Base, Aluminum (Mounting: 2x 5/16″ at 180° on 82.98mm PCD)

  • Aerospace-Grade Aluminum Construction
  • Standard 52mm Pull Stud Spacing
  • Adaptable for Custom Bolt Patterns
  • Hardened Steel Internals
  • Designed for the Haas TRT100 Trunnion


Constructed with aerospace-grade aluminum, the RockLock base embodies the perfect blend of versatility and robust durability. Its industry standard 52mm pull stud spacing ensures a seamless fit into your machining setup, reducing unnecessary bulk while maximizing workspace efficiency. One of the standout features of this system is its adaptability Inside the RockLock base, you’ll find hardened steel internals that are engineered for precision and longevity. This circular RockLock adapter is built for the Haas TRT100 trunnion.