Flush Bolt - Sliding bolt mortised into the edge of a door or astragal that typically engages into the jamb head and sill to secure the door. Commonly used on the inactive door of a pair.
anchor bolt
A bolt or threaded rod used to secure the sill to the foundation wall.
angle iron ...
Bolt Castle is both romantic and haunting. Gilded Age multi-millionaire George Boldt ordered the castle built as a testimonial of his love for his wife, Louise. But Louise died, and the grand stone estate was abandoned for many years.
Espagnolette bolt
- a long vertically hung bolt, with a handle fixed at a convenient height for securing side hung casement at top and bottom. Occasionally they are used on doors.
A rope with a bolt attached had been flung across and had caught in a fenestration of a projecting fragment of railing.
The War in the Air by Wells, H.G. View in context
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Barrel Bolt - A door fastener with a metal rod or bar that runs the case, entering a hole in the jamb. Sizes range from thumb slides to tower blots.
Bar Hole: Horizontal hole for timber bar used as a door-bolt. Barrel Vault: Cylindrical roof; The simplest form of a vault, consisting of a continuous surface of semicircular or pointed sections.
Bar hole - horizontal hole for timber bar used as a door-bolt.
Barmkin - the small walled yard attached to a pele tower (generally Scottish).
Barracks - building or group of buildings used to accommodate soldiers.
The key has projections which matched the holes on the bolt and it pushed tamblers out of the bolt securing the door. Aslide key from a tambler lock and bolt fragments with teeth for a key were found at Rocester.
An astragal is commonly used to seal between a pair of doors. Exterior astragals are kerfed for weatherstripping. Also flush bolt hardware is commonly mortised into the astragal to hold the inactive door in place at the top and bottom.
 See also: House, Door, System, Floor, Frame
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