Glossary of Terms
H
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Hand (of a Lock, etc.)
A term used to indicate the direction of swing or movement, and/or locking security side of a door.
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Handed (Locks, etc.)
A term used to indicate that the article is for use only on doors of the designated hand.
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Hasp
A fastening device consisting of a loop and a slotted hinge plate, normally secured with a padlock.
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Hinge
Two plates held together by a pin and attached to a door and its frame whereby a door is supported and is enabled to swing or move.
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Horizontal Spring Hinge
A spring hinge mortised horizontally into the bottom rail of a door and fastened to the floor and head frame with pivots.
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Hub
The part of a lock through which the spindle passes to actuate the mechanism.