Re: Drilling Brass
A nitride coated drill bit of around 8mm on the slow setting of a decent cordless drill will go through any brass and steel cored lock that I have met so far, the little springs that drive the tumblers on a Eurolock will pause it for a moment but that's all. I work with a maintenance team and lost keys/jammed locks are common enough in a fair sized company with some older properties, most are easy to get through.
Oddly, if you turn up at a door in a workman like fashion and start drilling the lock out, even in a public place, no one gives you a second glance.
The only time I have been questioned was in my early twenties on a Sunday morning trying the keys from a big bunch on a bank door, a panda car stopped and asked me facetiously if I needed help.
We had a painting and decorating contract with the bank and often had keys, getting into any bank is relatively easy, getting into the vault, a little harder, not difficult in an engineering sense but definitely takes more time, plus the alarms have been quite sophisticated for decades.
One the things that should be a no on this nest thing is the option to automatically switch off the alarm when keying the lock, having to go in and disable the alarm is like two factor authentication, more secure and safer.
This is yet another fix for stuff that is unbroken.