Then he pushed the door open and was inside, throwing the deadbolt lock, turning on lamps.
The cop's got a deadbolt lock, that's why it's taking so long.
Then, with the simple turn of a deadbolt lock, they were out on the street.
She glanced back, noting the three deadbolt locks and alarm system control panel by the door.
He watched her turn the second and third deadbolt lock.
It is much less secure than a deadbolt lock, but more convenient.
Outside the apartment, she inserted the key in the deadbolt lock.
The entire back hallway was separated from the waiting area by a door with a deadbolt lock.
I consider it an urban necessity, right up there with red wine and deadbolt locks.