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  /   Spherilok® Adapter System
Spherilok® Adapter System
ESCO Spherilok adapters are installed using a ball and socket joint, a method that is stronger than traditional weld-on adapters.  ESCO’s cutterhead arm has cast sockets to receive the adapter ball, which is secured to the socket with an angle weld. The Spherilok Adapter System transfers impact loads throughout the arm, allowing the cutterhead to withstand extreme punishment.
ESCO Spherilok system features:
  • An integrally cast socket within the cutterhead arm and hub for a strong and sleek adapter to arm interface
  • A one-piece lock that provides positive point retention
  • Adapter replacements are faster and more accurate than traditional weld-on adapter systems



ESCO MAXBAK II™ is a high-performance epoxy for positioning adapters on Spherilok cutterheads and for backing wear liners in cone crushers. MAXBAK epoxy was developed to handle the most challenging conditions. This high impact compound retains high compression and tensile strength in wet conditions while protecting against shrinkage.

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