Commercial door locks would be a great choice if you're in the market for new commercial door hardware. A commercial door lock should be durable, reliable and available in a range of different sizes and styles. You can find Stanley metal commercial door locks, commercial glass door locks as well as commercial entrance door locks among other products. The right commercial door needs to fit your decor and your needs just right. No matter whether you're looking for a commercial entry door, a commercial sliding door, a commercial steel door or a commercial French door, you're sure to find a model that fits all your criteria. 
Master Lock DSNC0732D34ULDD046 Commercial Double Cylinder Deadbolt, Satin Chrome Finish
"Commercial grade locksets are engineered to provide years of dependable service in demanding commercial industrial environments. Replaces all brands of commercial door hardware. Deadbolt may be locked and unlocked from both the inside and outside with a key only. Deadbolt latch - 2-3/8-Inch to 2-3/4-Inch with 1-Inch throw and hardened steel roller to resist sawing. Deadbolt features free-spin exterior cover." 
LOCKEY 1150 Back-To-Back Mechanical Keyless Door Lock w Spring Latch
"A Pick Proof And Bump Proof Double Sided Keyless Door Lock With A Lever Handle With Passage/Bypass Function Allows This Double Sided Mechanical Keyless Door Lock To Remain Unlocked During The Day And Locked At Night. Simply Push Combination Followed By R Button. 100% Mechanical And Does Not Require Wires, Batteries Or Electricity." These knobs can be found at amazon.com
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