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Best Access 1E Series Mortise Cylinder

Best Access Systems

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The E Series is Heavy Duty Commercial Grade Line of Mortise Cylinder locks that are intended to be used in the toughest environments in which security can't be compromised.
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BEST mortise cylinders feature the BEST interchangeable core and may be master keyed into any existing BEST system.



  • BEST cylinders may be altered to function with other manufacturers' locks by use of different cams and different cylinder rings.
  • Best Access cylinders are machined from brass or bronze bar stock and are available in a variety of finishes.
  • Best Access mortise cylinders feature the Best Access interchangeable core and may be master keyed into any existing Best system.
  • Additional security is provided by a set screw that mounts diagonally in the cylinder wall and when tightened, holds the cylinder securely in the housing.
  • Special cylinder variations are available for most applications.