Function
 

AP3000 keys are manufactured with 4 accurately positioned perforations corresponding to the pitch of the cogwheel.
In addition a ball bearing, fixed into the barrel offers a higher level of security.
 

Anti-Pick Protection

Anti-Pick Protection is given by the paracentric key profile and special anti-shim Pins.
 

Anti-Drill Protection

Special hardened steel pins for cylinder barrel and cylinder housing deter forced attacks.