Ultimate Lock has the ability to withstand up to 4000 pounds of force, to put things in perspective, most deadbolts can only withstand roughly 100-200 pounds of force.
A minimum of 10, 75-pound strikes are reported to be the equivalent of over 100 foot pounds, which is why the Grade 1 deadbolt locks have been tested. A really strong criminal would have to kick your door over 100 times in order for it to begin to degrade or show signs of weakness.
Generally speaking, deadbolts are sturdy locks that can withstand kick in and other forced entry attempts. However, a door with a deadbolt can still be kicked down if the door itself is not solid. So, to protect your door against kick in, you want to make sure both the lock and door are of high-quality grade.
Locksmiths can install special pins that make it much more difficult, though not impossible, to bump a lock. This is an affordable way to protect your home from lock bumping and lock picking.
Each lock type carries certain advantages; for example, a latchbolt will lock automatically, while most deadbolts require manual locking. On the other hand, deadbolts are widely considered to be stronger and harder to pick than latchbolts.
Assuming the wooden door is 2 inches thick, 6 feet 8 inches high and 3 feet wide, and is perfectly dry, it would have a breaking force of 1250lbs or 8.61844662MPa, assuming the size of the immovable rod is 2cm diameter and 30cm long, is a perfect and regular dodecagonal prism and does not deform under high pressures.
Ultimate Lock has the ability to withstand up to 4000 pounds of force, to put things in perspective, most deadbolts can only withstand roughly 100-200 pounds of force.
The BHMA/ANSI has three, separate grades for deadbolts, simply labeled grades 1 through 3. Grade 1 is the highest quality, and the most dependable deadbolt you can have. Grade 3 is your average deadbolt which will provide an accepted, but minimal, level of security.
To strengthen the strike plate on the lock, replace the existing screws with 3” long screws to attach into the wall stud. To reinforce the door frame even more, remove the door facing and attach a steel building plate to the door casing and wall stud.
A deadbolt is a locking mechanism that can only be opened by rotating the lock cylinder with the key. Deadbolts therefore make a door very resistant to entry without the correct key. This is why you must have one; for safety. Often, deadbolts are used to complement a spring-bolt lock on an entry door to a building.
The benefits of the single-sided deadbolt are numerous.
Once someone is in your garage, they can work at breaking in and emptying your home without any worry of being seen. The single sided deadbolt protects that door and any other door it's installed on, from all types of silent lock attacks.
For most commercial and industrial high security applications with Herculite glass doors or hollow metal frames with wood or hollow metal doors, an electro- magnetic door lock with at least 1500 lbs. of holding force is recommended. When attacked with extreme force, these doors may not release, but may sustain damage.
Though it take 1200lbs to force the lock open, under rated operating conditions, someone could apply more than that by using some sort of lever. It is also possible that the locks are not being used under rated conditions.
What is Lock Grade 3? Grade 3 Deadbolts are the Least Secure and NOT Recommended. Lock grade 3 is the least secure of the three lock grades. It should be considered basic door hardware, for non high security situations, and is the least expensive. It is also the common lock you will find on homes.
ANSI Grade 1 (Best) - Kwikset - Door Locks - Door Hardware - The Home Depot.
Also in the non-forced entry category, there is no doubt Schlage is better. With a better, more precise manufacturing process and 2 additional security pins than the Kwikset deadbolt, Schlage locks are significantly harder to pick, bump or compromise in non-destructive ways.
Lock bumping takes only an instant to open the lock. The lock is not visibly damaged, although the force of the bump can leave an indentation on the front of the cylinder. Certain clicking and vibrating tools designed for bumping can also be used.
Unpickable Locks Do Not Exist.
On Grade 1 deadbolts the outer trim ring is either a solid machined metal ring or a solid inner ring with an architectural cover. The solid ring provides protection from attack with a hammer and is free-spinning to prevent wrenching the cylinder to gain entry.
Most interior doors have hollow wood or fiberboard materials, and so doesn't pose a big challenge. These doors do not offer much in terms of security. But outside doors have a solid core made with shaved wood and laminate, so it's hard to kick down.
The internal mechanisms of locks are generally made of brass or die-cast zinc. The cam, which is the tongue that protrudes from the lock to secure it, is usually made of steel or stainless steel.