So I make my first bump key, I go try it out on a building I have access to and discover that I can only open lock in the knob locks, even thought the key I used is a copy of one that opens an outside push bar door.Here it is
Location: Taunton, MA, USA Gender: Male Total Likes: 1 like
Hi!
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Re: Bump Key help < Reply # 1 on 6/21/2009 3:01 PM > | Reply with Quote
Bump keys are not an exact science. Even if you made a copy, the notches could be a tiny bit more or less forward than what you copied. At the same time, keys are made of a weaker metal than lock tumblers, and can be worn into place after so many hits. Truth is, looking at that bump key, I would buy a professional one, and start there.