Glossary of Terms

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  1. Spindle

    The bar or tube connected with the knob or lever handle that passes through the hub of the lock or otherwise engages the mechanism to transmit the knob action to the bolt(s). 

    Related Categories –
    Locks, Cylinders, Cores, Keyblanks
    Related Terms –
    Hub
    Knob
  2. Spring Hinge

    A hinge containing one or more springs to move the door into the closed position. It may be either single or double acting. 

    Related Categories –
    Hinges and Pivots
  3. Stile (of a Door)

    A vertical member of the door structure each door has two, a lock stile and a hinge stile. 

    Related Categories –
    Exit Devices
  4. Strap Hinge

    A surface applied hinge of which one or both leaves are of considerable length. 

    Related Categories –
    Hinges and Pivots
  5. Strike

    A metal plate or box that is pierced or recessed to receive the bolt or latch when projected. Sometimes called Keeper. 

    Related Categories –
    Locks, Cylinders, Cores, Keyblanks
    Related Terms –
    Electric Strike
    Keeper
    Strike Box
  6. Strike Box

    A box that is installed behind a strike to finish and protect the strike opening. 

    Related Categories –
    Locks, Cylinders, Cores, Keyblanks
    Related Terms –
    Electric Strike
    Keeper
    Strike
Glossary
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