dead bolt types

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The full size interchangeable cores or FSIC from Schlage.
The AD lock  battery pack type can be changed following this procedure:1. Disconnect the existing battery pack2. Depress and hold the SCHLAGE button for a few seconds to drain off any residual...
Indicator not extended Indicator extended
The indicator on a cylindrical hotel lock is a small pin that projects outward from the face of the cylinder plug (Figure 1) when the inside push button is depressed.  When this pin is pr...
Grade 1 locks are tested and certified to be in compliance with the following ANSI/BHMA Standards: Cylindrical, Bored and Preassembled Locks & Latches 800,000 Certified Cycles ANSI/...
Grade 2 locks are tested and certified to be in compliance with the following ANSI/BHMA Standards: Cylindrical, Bored and Preassembled Locks & Latches 400,000 Certified Cycles ANSI...
A lock is any device which prevents access or use by requiring special knowledge or equipment. Mechanical locks are mechanical devices which secure an opening by keeping a door closed until a relea...