Look into keyed entry door knobs also called privacy knobs portable door locks or top of door locks.
How to install high security door lock.
Their counterparts the doorknob locks should also be able to withstand 800 000 cycles 6 strikes against the door and a weight test of 360 pounds.
These locks should ideally be deadbolt locks because they are a much better security option.
Without strength these attacks would bend or snap a bolt severely enough that it fails.
High security lock pin installation locks bump key bumping pick picking locksmith keys.
High security door locks will have hardened steel bolts that withstand bludgeoning attacks kicks battering rams sledge hammers shoulder strikes etc used against the door.
Raise the last piece into which the bolt inserts to the same height on the door jamb.
If you re in a situation where you cannot or do not want to use a drill to install your lock there are a couple ways of installing an interior door lock without a drill.
Grade 1 deadbolt locks should be able to withstand 250 000 cycles and 10 strikes against the door.