bottom bolt

bottom bolt

A bolt at the bottom of a door; locks by slipping into a socket in the floor; may be held in the raised position by a catch.
References in periodicals archive ?
25" Bottom Bolt Circle, 17" Height, And Without Anchor Bolts.
All Breakaway Bases Shall Be 14 A' To 15 Top Bolt Circle And 14 A' To 16 A' Bottom Bolt Circle.
A significant difference was found with respect to vertical position, the bottom bolt having greater compression strength.
If the bottom bolt comes out, that leaves the top bolt holding a 200-lb cable reel.
Often the two bottom bolts are forgotten and that can let water into the EB.
If you wish, you can also add top and bottom bolts.
You may also want to install top and bottom bolts on French doors or add sash jammers to UPVC doors.
Think about installing top and bottom bolts on French doors or add sash jammers to UPVC doors.
The Murray Lock is pricey at pounds 90, but one turn of the key operates the centre lock plus top and bottom bolts automatically.
Adding alarms, door chains, spy holes, and top/ bottom bolts will also boost security, while sensor lights or dusk-to-dawn lighting deters intruders and help you gain access to your home late at night.