deadboltlock
When you have an external glass panel door it may be simple for a criminal to break a pane of glass to access the handle and lock inside.
What types of locks are appropriate to install on a door of this type? I think a deadbolt of some type should always be installed, but I've seen what I think are "rim locks" installed some places which I don't think are secure.
First off, I make no warranty of any of these suggestions. Especially if this is actually a bank...
I would be hesitant to completely rely on an all-electronic solution, since if there is a failure (which, frankly, is likely with a budget of only 200 per lock), you don't want to have to resort to a plasma torch or something to cut open (and destroy) the door to get in.
What seems like an interesting option to me though would be some of the RF-controlled keyless locks on the market. These look like a normal deadbolt, but have an RF remote.
What would be needed in whatever is chosen is the ability to hook into it, specifically, you need two things:
I'm going to assume that you have some type of microcontroller running the rest of this setup. You didn't specify.. but presumably you have something that has some I/O on it, the ability to connect it to the locks, and some software running to handle what I describe below. I'll also assume that you have an alarm and monitoring.
To control the lock, ideally, you could hardwire in to it, and be able to apply a signal to lock/unlock all the deadbolts. Less ideally, you could hack apart the remotes, and have your controller effectively press the buttons on the remote(s) to lock/unlock. This adds unreliability since you're dependent on an RF signal.
Since these are keyed locks, you have a nice backup mechanism if everything fails: use the 4 keys to open the locks (and note, you'd need to be sure they're 4 separate keys).
Of course, since they're keyed locks, they're also susceptible to being picked/bumped. To try and combat that, what you can do is have your controller monitor each lock individually. If any of the locks ever open when the controller didn't tell them to, then it should trigger an immediate alarm (consider: someone is likely to pick/bump one at a time). If this is an exterior door, then this is your first line of defence, unfortunately. If it's an interior door, then you should also have motion and other door sensors that will hopefully trigger before someone gets to this door.
You also need to consider all other aspects of physical security. You're only as secure as the weakest point, so if someone can break through a window or wall or vent then it doesn't matter how good the door is. Physical security is also just a matter of time: eventually, you can get through anything. That's why I suggested having an alarm system connected, which is both a deterrent, and triggers a police/whatever response. Consider: safes, even high-end ones, are rated by the time it takes to crack them: your door will be no different. Having video cameras probably helps as well, both as a deterrent and to help catch people afterwards. Your video and security system also need to be protected, so that they can't just be disabled/destroyed.
On the other hand, too much security and you actually can attract attention. I've heard that the houses with extra locks, security cameras, etc, are often targeted by thieves since they look like they have something valuable worth protecting.
That is called a manual flush bolt. The piece that protrudes through the top and bottom of the door is called the bolt head.
Both the bolt head (which is threaded to an actuating rod), and the actuating rod (which is threaded to the lever actuator) are designed to be adjusted by threading them in or out. The bolt head is commonly keyed, i.e. it is not round but designed with a flat spot (like a "D" shape) and protrudes through a guide plate (attached to the top and bottom of the door) which is also keyed, to prevent the bolt head from turning, which would change the length/adjustment.
You need to thread the bolt head and/or rod in to shorten the flush bolt throw length. The proper way would be to remove the door and lay it flat, then remove the guide. You could try turning it while the door is still hung, using long nose pliers or similar tool; but if the bolt head is keyed and a guide is installed it wont turn, by design.
Best Answer
An ordinary door lock. Double cylinder deadbolts, which require a key from either side, are in violation of the fire code many places. It isn't a good risk trade off even if they are legal, especially considering you could change to a solid door in areas at a higher risk for crime.
Apparently, they do make key capture deadbolts which prevent removing the from the inside of a locked door. When you're away from home it will prevent burglars which are too stupid or lazy to smash a window instead.