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Door Hardware Basics
Most door hardware will fit the following door preparation. If you have something different, please contact us so we can help you find exactly what you need.
Door Hardware Help
Commercial door knobs are constructed to withstand the rigors of use in heavy traffic areas. Commercial locks are graded by ANSI(American National Standards Institute) for strength and durability. Grade 2 commercial knobs are well suited for medium to light commercial applications such as professional buildings, hotel/motel, religious buildings, apartment complexes, or high traffic residenential areas. Grade 1 commercial door knobs are used for heavy duty applications where hard or continuous use is expected. Hospitals, schools, public buildings, industrial buildings and factories are all places where Grade 1 locks would be needed. Some of the commercial door knobs are available with a standard key cylinder while others can be ordered with removeable key core. We can provide keying and master keying services for your commercial lock order. Please contact us for details. Interconnected commercial door knobs are used in apartment buildings or the like where single action egress hardware is required. Door knobs do not meet ADA requirements. If your project requires ADA compliant hardware, see our commercial lever handles.