Interior door lock 2020

Lock for interior doors. It has one latch bolt which can be deadlocked with either a key or a toilet thumbturn.

Lock handing can easily be changed by pulling out the latchbolt and turning it 180° clockwise.

The lock can be used with a lever handle only or with both a lever handle and a key or a toilet thumbturn.

The lock fits into the same mortise as e.g. ASSA 404 and 404T.

2020 replaces the following old lock types:

BODA 408-409-418-420-422-423-448-501-502-503 and ASSA 404 and 404T

Striker plate

0043, 0045, 0053, 0055, 0068, 0068B



Fire resistance


Mortise standard

SFS 5210, SS 81 73 82