Lock mechanism maybe either 5 Lever or Cylinder. A specifically designed staple is fitted to the box lid forming part of the locking mechanismīS 3621:2007 –British Standard relating to Mortice Locks also known as 'Thief Resistant Lock Assembly - Key Egress'. from inside onlyīlank (of key) –Key which has not been cutīody –The main section of a product usually containing the working mechanismīolt (part of lock or latch) –Moving part of a lock or latch that provides engagement between leaf and frame (see also EN 12209)īolt-through Fixing –Method of attachment whereby the fixing means pass right through the door, window etc.īolt Thrower –Component within a Mortice Lock enabling greater projection of its deadbolt through the turn of its key.īottom Pin / Pin –Pin of a cylinder mechanism that is located in the plug and makes contact with the keyīow (of key) –Enlarged portion of key at end remote from blade/bitīox Lock –Cabinet lock designed for flush fitting into the edge of a box. Hardened steel ball bearings are pushed outwards to engage with round indents on the shackleīathroom Lock –Privacy lock with latch bolt operated by lever handle or knob from both sides, and an additional deadbolt operated by thumb slide, thumb turn etc.

Cylinder key operated.Īrmoured Rose –Cylinder rose with features to protect it from physical attackīackset –Distance from the outer face of the forend (or faceplate if fitted) to the centre-line of the keyhole and/or followerīall Locking –A method of locking used in high security padlocks. Anti-drill Plate –Steel plate with sufficient hardness to resist penetration by a HSS drill bitĪnti-Pick –Feature built into locking mechanisms to prevent unauthorized accessĪnti-thrust Action –Latch action in which the latch bolt, when fully thrown, resists being forced back by end pressureĪnti-thrust Bolt –Spring actuated bolt which cannot be pushed back once it has been fully thrown into a correctly positioned locking plateĪnti-thrust Slide / Snib Bolt –Component which contacts the locking plate to activate the anti-thrust bolt mechanismĪrmoured Padlock/Anvil Padlock –Square brass Padlock shrouded with steel body.

Pin and tubbler lock with ball bearings