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Thumbturns
Introducing our Thumbturns, meticulously designed for effortless locking and seamless integration with any door style. With a selection of finishes to choose from, these high-quality thumbturns provide both practicality and sophistication, elevating your security with ease and elegance.
Frequently Asked Questions
What is a thumbturn?
A thumbturn is a manual turning device that allows locking and unlocking from the inside without a key. At National Lock Supply, we stock thumbturn cylinders for mortise, rim, and deadbolt locks
How do thumbturns compare to keyed cylinders?
Keyed cylinders require a key on both sides, while thumbturns allow convenient inside operation without a key.
Where are thumbturns used?
In apartments, hotels, offices, and institutional facilities for quick exit or privacy.
Are thumbturns ADA compliant?
Yes, when designed with accessible shapes that do not require tight grasping.
What finishes are available?
Satin Chrome, Brass, Dark Bronze, and Matte Black.
Do thumbturns reduce security?
Yes, they offer convenience but can be less secure than keyed cylinders if glass is near the lock.
Are thumbturns UL listed?
Yes, many are UL-certified for fire-rated openings.
Can thumbturns be combined with keyed exteriors?
Yes, common in single-cylinder deadbolts (key outside, thumbturn inside).
Are thumbturns rekeyable?
The keyed side is rekeyable, while the thumbturn is fixed.
Why buy thumbturns from National Lock Supply?
We stock thumbturn cylinders for all lock types, with finishes and options to match your hardware.