Deadbolt
$20
Estimated value as of 2026 · Home Depot and Lowe's retail listings for standard deadbolts[1][2]
A deadbolt is a locking mechanism used in building materials for securing doors, typically featuring a bolt that extends into the door frame for added security.
Fun fact Single-cylinder deadbolts, the most common type, allow key entry from outside and thumb-turn operation from inside.
deadboltdoor-lockhardwaresecuritybuilding-materials
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