Emtek Apollo Double Cylinder Handle Set 4825

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Double Cylinder Function: Double cylinder handlesets require a key to unlock the mechanism on both the interior and exterior sides of the door. Double cylinder locks can pose a safety hazard in times of emergency due to requiring a key to unlock from the inside; please check local codes before installing.


  • Product pictured is of a single cylinder. Double cylinders have a keyhole on both the exterior and interior
  • Constructed of solid forged brass to ensure lasting durability
  • Includes a detailed double cylinder kit and all hardware for simple installation
  • Emtek offers a Limited Lifetime Warranty to the original user


  • Backset: 2-3/8" or 2-3/4"
  • Cross Bore: 2-1/8"
  • Edge Bore: 1"
  • Door Thickness 1-3/4" to 2-7/8"
  • Handing: Left, Right
  • Center to Center: 5-1/2"
  • Grip Center to Center: 8-5/8"
  • Height: 17-7/8"
  • Width: 2-1/2"
  • Projection: 2-3/4"
  • Latch Faceplate: Round Corner, Square Corner
  • Cylinder: 5 Pin C

Available Knob & Levers pictured below. Please let us know on the comment section of the order your Knob or Lever selección.



All Emtek items are made to order. Please allow 7-10 Bussiness days for tracking number to Validate, thanks.