- a double-bolt lock provides. - You never lock the door.

- Locks? - Bolt and key.

The door is an electronically-controlled bolt lock with a magnetic tripwire that is triggered by opening the door.

Locked and bolted from the inside.

Doors locked, windows bolted from the inside.

Lock and bolt the front door!

Grab a bolt. Go ahead. Lock and load.

Hit one, and a locking bolt seals the safe permanently.

Let's go with the three-quarter-inch hex bolt and lock nut.

The door was locked and bolted from the inside.