Tolerance schlage : Locksmith


The tolerance is around .005″ for key and pin combined, so if your key is low by 2 thousandths and the pin is short by 3 thousandths, the key will catch a little.

When I make keys that will be used in heavily used doors (building front doors & way station restrooms) I’ll cut the keys a couple of thousandths higher than spec to make them last longer.



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