American and Master Cores - Alternate Access Techniques

How to access the cores of American and Master padlocks so you can rebuild, re-key and install security wafers. These techniques also allow you to convert the older riveted-in American padlock cores to the removable style. First, from an open lock: I'll show you how to remove the stripped screw and get access to the core. Second, from a completely locked padlock: I show you how to remove the core and only damage the retaining nut.
From:bosnianbill
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