Yale Key for Door Security Bolt, Grey, Pack of 1

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General description The Yale PM444 series security door bolts are designed for enhanced door security with a concealed (mortice fixed) installation. They are operated by a key and can be installed inside the door, throwing into the door frame for added protection. Typically, two bolts are recommended per door for optimal security. An additional key can be purchased separately to ensure spare access. Technical specifications Material: Brass Finish: Brass, Chrome, or White (depending on the model) Type: Mortice fixing security bolt Operation: Key-operated Recommended number of bolts per door: 2 Compatibility and accessories Compatible with standard doors requiring concealed security bolts Available with additional keys for extra convenience and security Installation Mortice fixing into the door with a bolt that extends into the door frame Requires drilling and mortice work for installation Typically, two bolts are installed for effective security Usage Operate the bolt using the

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Key for concealed door bolts Suitable for wooden doors Lock can only be operated from inside Additional security, ideal for back doors Recommended that two bolts are used per door, Weight: 0.14 pounds, Manufacturer: Yale