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.
How to install high security door lock.
He wanted to be able to give to his customers the highest level of security without costing them the earth.
These locks should ideally be deadbolt locks because they are a much better security option.
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.
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.
Without strength these attacks would bend or snap a bolt severely enough that it fails.
Grade 1 deadbolt locks should be able to withstand 250 000 cycles and 10 strikes against the door.
For extra security install one near the bottom of the door as well attach with screws sunk into the door.
Look into keyed entry door knobs also called privacy knobs portable door locks or top of door locks.