Deadlock, Deadlatch, Hookbolt...What's The Difference? by Door Closers USA
Deadlatch Lock, 31/32 Inch Backset, Reversable Handing - No Face plate
Deadbolt Vs. Deadlatch » Ambassador Locksmiths
The Deadlocking Plunger Weakness | RBCS - Ray Bernard Consulting Services
Defiant Part # KTL700-SXA5 - Defiant 6-Way Adjustable Polished Brass Deadlatch - Deadlatches - Home Depot Pro
I Cannot Open My Door Even Though Everything Is Unlocked! | Jeff Gater's Blog
Adjustable Deadlatch 2-3/8'' or 2-3/4'', Keyless Entry Door Lock Replacement Latch,Smart Door Lock Deadlatch,Security Door Latch, Smart Door Locks Accessories by Nyboer - Amazon.com
Kwikset 19841-26 6-Way Adjustable Replacement Dead Latch - Satin Chrome - Door Lock Replacement Parts - Amazon.com
Adjustable Deadlatch 2-3/8'' or 2-3/4'', Keyless Entry Door Lock Replacement Latch and Strike with Dust Box,Smart Door Lock Deadlatch - Amazon.com
spring latch, lock latch 2-3/8",
Trudoor 2-3/8" Backset Deadlatch for CL2 Series (1" x 2-1/4")