[rkagerer]

It's funny, I have the opposite problem. I have a particular door lock for which three different locksmiths have all failed to cut usable keys. The originals work fine, but the copies don't. The last set barely works, if you wiggle it around a lot and ram to get it in, but then it gets stuck in there and is nearly impossible to remove.

They've tried various blanks, and I've never gotten a satisfactory explanation from any of them. It's possible all my local locksmiths are inexpert.

[StillBored]

Its just a schlage or kwickset?

The pins in new locks have pretty tight tolerances for the first couple years until they wear a bit. Its likely they are just using older equipment which isn't sufficiently precise to cut them. Get a key that is exactly right, and works with a bit of wiggling, use it as your primary key for a couple months and it will work just as well as the originals. The slight variations in the key ways/etc will knock the edges off the pins with enough use. Assuming the key is cut correctly from the right blank, you might just need a bit of lube/oil on the key. If you can see variations by eye in the ramps/etc its likely the key is just wrong.

[hutzlibu]

Yeah, I have the same problem with some old locks. Impossible to get a copy for a key, because it does not meet some modern standard.

[sleepybrett]

want to post a picture anonymously? it may be that the biting is difficult. It may also be that one or more of the locks pins is sightly out of spec.