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No. 660
Single Cylinder Deadlock

Deadlock is locked or unlocked with a key from
the exterior, turnpiece from the interior.
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No. 665
Double Cylinder Deadlock

Uses key from either exterior or interior to
retract deadbolt. Ideal for doors with glass areas.
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No. 663
One-Sided Deadlock

Turnpiece operates bolt from interior only.
Deadbolt automatically locked when fully extended. No exterior
access.
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No. 667

Prohibits master-key entry; external plate is blank. Installs
easily in full bore-holes 1-5/8" and 2-1/8" wide.
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No. 677

Prohibits master-key entry with blank external plate.
Heavy-duty shield with retainer plate meets UL standards for
fire safety. Installs in full bore-holes 1-5/8" &
2-1/8" wide.
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No. 664

Retrofit kit for conversion of Model 663 when door is bored
completely through. Includes plate and screws.
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