A & A Locksmith services in New York Locksmith Glossary - J

A & A Locksmith services in New York

Locksmith Glossary - J

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z Jackscrew (n.) A threaded rod used for centering and balancing a vault door & frame in position during installation. Jamb, Jambe (n.) 1. One of a pair of vertical posts or pieces that together form the sides of a door, window frame, or fireplace, for example. Jiggered Finish (n.) A surface adorned with overlapping concentric circles. Jimmy Proof (adj.) Pertaining to a lock having a bolt which interlocks with its strike. JIS (abb.) Japanese Industrial Standard Jumbo Cylinder (n.) A rim or mortise cylinder of 1-1/2" diameter.