If that is the case use a screwdriver instead of an allen wrench.
Tightrn security door handle.
Remove the screw and slip the lever handle off the rod.
Tighten internal screws loose door knob or loose door handle.
Occasionally the door handle may instead use a different screw type such as a phillip s head screw.
Use whatever screwdriver or wrench is appropriate to tighten this screw and firm up the doorknob s grip on the spindle.
Step 2 inspect the rod s surface and locate the groove where the set screw needs to be secured.
I show how i tightened my loose door handle that is made by kwikset.
Determine whether you will need an allen wrench or a screwdriver based on the style of set screw which you will find on the bottom of the door lever.
In order to tighten the screws in a loose door knob or loose door handle you need to work on removing your loose door knob or loose door handle from the door that it is currently on.