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Deadbolt Cylinders
Our Deadbolt Cylinders provide superior security and durability, featuring robust construction and available in a variety of finishes to complement any door. Ideal for residential and commercial use.
Frequently Asked Questions
What is a deadbolt cylinder?
A deadbolt cylinder is the key-operated core that drives the bolt in single- and double-cylinder deadbolts. At National Lock Supply, we provide deadbolt cylinders in multiple finishes and keyways.
How do they differ from mortise cylinders?
Deadbolt cylinders are designed specifically for cylindrical deadbolts, while mortise cylinders are threaded into mortise lock bodies.
What keyways are common?
Most use SC1 or KW1 keyways, making them compatible with residential and commercial systems.
Are deadbolt cylinders rekeyable?
Yes, they can be rekeyed by locksmiths to match existing locks.
Where are deadbolt cylinders used?
In residential and commercial deadbolt locks, often paired with knob or lever locks for exterior security.
Are they UL listed?
Yes, many deadbolt cylinders are UL-certified for fire-rated openings.
What finishes are available?
Satin Chrome, Satin Nickel, Bright Brass, Oil-Rubbed Bronze, and Matte Black.
Can deadbolt cylinders be keyed alike?
Yes, they can be keyed to match levers, knobs, and padlocks in the same key system.
Are deadbolt cylinders compatible with master key systems?
Yes, when ordered with the proper keyway.
Why buy from National Lock Supply?
We carry high-quality deadbolt cylinders compatible with major brands, with expert support for rekeying and keying alike.