High Security Cylinders Large Format Security Cylinder
PDQ offers a higher level of security with high security cylinders and proprietary keyway that prevents random duplication of keys. The finest key systems can be destroyed by unauthorized key duplication. The PDQ proprietary keyway is only available from PDQ and is shipped directly to the authorized end user. Each key is registered, and no blank keys are sold. PDQ High Security cylinders are available in a number of formats, including a standard, Key In Knob or Lever cylinder used in most PDQ cylindrical locks, as well as a unique Mortise/ Rim Cylinder that can be used in either configuration. All PDQ High Security Cylinders feature an exclusive and proprietary floating side bar. All standard High Security cylinders feature 2 hardened anti drill pins as well as our unique and proprietary PDQ keyway with sidebar. For additional security, PDQ offers several of its cylinders in a UL437 package. These optional cylinders feature a minimum of 11 anti-drill pins, stainless steel pins and UL437 certification. The UL 437 cylinders are available in Key in Knob/Lever, Mortise and Rim.