Brisant D Key Cut to Code Brisant D Key cut to code for use with the Brisant D Cylinder. We only use genuine Brisant key blanks. Your existing Brisant D key has a code found on the head of the key beginning with 66X followed by 5 numbers. This keycode is unique to your key and must be provided to enable us to cut further keys. Note: For security reasons we recommend you have your keys posted to a different address to where the lock is fitted. Keys are posted via recorded delivery.
