Start by inserting the closed "looped" side of one bobby pin into the bottom portion of the lock. Use the second bobby pin, broken in half, toward the top of the lock and move it back and forth. This motion should set the pins and cause the deadbolt to unlock.
One Sided Deadbolts
With single-sided deadbolts, you have only a thumb turn on the inside of the door. The bore hole for the deadbolt is drilled only partially through the door, so from the outside you don't see the deadbolt.
Deadbolt and lock all of the exterior doors to the home. Since deadbolts are one of the best ways to secure your home, you will have the peace of mind you need when leaving home. A burglar will not be able to break through a deadbolt with a crowbar or pick them open, which ensures the safety and security of your home.
CR's take: The Medeco Maxum 11TR503-19 is the strongest deadbolt across all of our lock categories. It rates Excellent for drilling, withstands kick-ins very well, and is designed in a way that makes it very difficult to pick.
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.
Generally, single-cylinder deadbolts are less secure than double-cylinder options. They could potentially allow easier access to the home from intruders in the know. Furthermore, they're easy for small children to use, which means they could get outside without anyone being aware.
Unfortunately, you can not unlock a deadbolt with a credit card. Credit cards will only work with slanted-latch-style locks. Furthermore, the slant of the latch must be facing you so that you may press it in using your card.
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.
Deadbolts are the most secure because they need to be engaged when the door is shut. They have a unique locking device built into the bolt, that can't be forced back into the door, thus preventing unwanted entry. The deadbolts sets back into the door 1 inch vs. a Spring bolt which sets back 1/2 inch.
The Keyed One Side function is a Single Cylinder deadbolt. It has a keyed cylinder on the outside and a thumb turn to lock and unlock the door on the inside.
Jimmy Proof Dead Bolt
The lock's position on the surface of the door gives it natural resistance to jimmying. A jimmy proof lock is operated by a key or knob that controls a two-part vertical bolt. The lock is engaged when the bolt descends or ascends into two rings on the strike.
Single Cylinder deadbolts, entry knobs, and handlesets are operated with a key from the outside, but do not require a key for locking or unlocking from the interior of the property. Instead, the door is locked or unlocked using a thumb-turn style lever.
To open a deadbolt without a key, a drill machine is one of the most efficient ways to open the lock successfully and easily. You just need to find a drill machine to unlock the lock if you are ashore out of the house. Just by holding the drill on the lock, you can initiate drilling.
A technique known as "lock bumping" was first classified as a security concern around 2002. To bump a lock, a burglar inserts a specially cut key into the lock, then gently “bumps” it with a mallet or a screwdriver. This forces the pins in the lock to the shear line as the key turns and the door opens.
Grade 1 requires a key in knob must hold up to 300 lb-in and a lever lock must withstand 450 lb-in. Grade 2 requires a key in knob, must hold up to 150 lb-in and a lever must hold up to 225 lb-in. Grade 3 requires a key-in-knob to withstand at least 120 lb-in and a lever lock must withstand at least 180 lb-in.
Naturally, if you have a business, you will want to use a Grade 1 lock. This offers maximum security and durability, so you can thwart any professional burglary attempts. For interior doors, a business can also use a Grade 2 lock.
Walter Schlage is a prestigious brand in the international lock industry. It offers a wide range of high-grade locks such as Deadbolts, Knobs, Levers, Handlesets, Electronic Locks, and Smart Locks. All Schlage products have premium metal construction that adds strength and security.
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.
Double-cylinder deadbolt locks are not considered safe for emergency exits. Some safety experts don't believe they belong in residential homes at all. In fact, double-keyed deadbolts are actually illegal in some places.
The major benefit of double cylinder deadbolts is that they are designed to offer high security level. This makes doors that have them more difficult for intruders to pick or unlock. Double cylinder deadbolts are the safest choice for homeowners.
In the U.S., there is no single comprehensive law against dual-cylinder deadbolts. Individual cities and states have local property and fire codes that may prohibit the use of dual-cylinder deadbolts. The code may prohibit the use of dual-cylinder deadbolts in some buildings and allow them in others.