🔐 Lead-Lined Cylindrical Door Locks
Secure. Shield. Comply.
Keep radiation where it belongs—inside your imaging or treatment room.
✅ Made in the USA
✅ Fast, Free Shipping
✅ Multiple Payment Options
✅ Engineered for Medical & Industrial Facilities
Our lead-lined cylindrical locksets are designed specifically for medical and industrial facilities requiring complete radiation containment. These locks seal the gaps around door hardware, blocking potential radiation leaks while delivering the durability and function you expect from commercial-grade door hardware.
Lock Function Options
Commercial-Grade Durability: Up to 800,000 cycles (Grade 1 - ND Series) for high-traffic areas; 400,000 (Grade 2 - ALX Series) for moderate use
Choose from 5 lock types in Grade 1 (ND Series) or Grade 2 (ALX Series) models, depending on your security needs:
Passage Lock (ND10S / ALX10)
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No locking mechanism
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Inside and outside always unlocked
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Ideal for low-security areas
Hospital Privacy Lock (ND44 / ALX44)
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Push button on inside to lock
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Outside can unlock with emergency turn button
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Best for patient rooms and treatment areas
Office/Entrance Lock (ND53PD / ALX53)
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Inside push-button locks the outside lever
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Outside unlocks with a key
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Good for staff-only rooms
Classroom Lock (ND70PD / ALX70)
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Inside always unlocked for safety
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Outside locks/unlocks with a key
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Perfect for compliance with emergency egress standards
Storeroom Lock (ND80PD / ALX80)
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Inside always unlocked
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Outside only opens with a key
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Ideal for rooms you don't want patients to have access to without a staff member present.
Why These Locks?
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Radiation Shielding Built-In: 1/16" lead lining inside the lock body stops X-rays and other emissions from escaping through the latch area
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Code Compliant: Fully meets ANSI A156.2, A117.1, FF-H-106C Series 161, and fire/hurricane resistance mandates
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Commercial-Grade Durability: Up to 800,000 cycles (Grade 1) for high-traffic areas; 400,000 (Grade 2) for moderate use
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Stylish + Secure: Sleek satin chrome finish with Rhodes or Saturn-style levers
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No-Rust Materials: Zinc-plated lock chassis and solid brass roses resist corrosion
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High-Security Key System: Schlage 6-pin Everest C123 keyway included
🔧 Specifications
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Lead Lining: 1/16” standard (custom thicknesses available)
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Door Compatibility: Fits doors from 1 ⅝” to 2 ⅛” thick
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Prep Type: Standard 161 door prep, 2 ¾” backset
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Models Available: Both Grade 1 (high traffic) and Grade 2 (medium traffic) options
🛠️ Installation & Ordering Info
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Emergency Egress: All locksets allow for safe, immediate exit
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Custom Lead Thickness: Available upon request to meet unique shielding requirements
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Expert Safety Planning: A radiation physicist must verify lead equivalency
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Shipping Inspection Required: All items must be inspected with the delivery driver present; no damage claims can be filed after signing
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No Order Changes or Cancellations: Please double-check all product details before ordering
Bottom Line
If you’re building a radiation-safe facility, don’t leave a weak point at the door.
These locksets combine proven Schlage performance with lead shielding to block emissions, secure your spaces, and maintain compliance—all in one hardware solution.