Master keying software for

American Padlock

American Padlock key blank
American Padlock pinning chart

Build your American Padlock master key system quickly and simply with this easy to use locksmith software.

Have an existing American Padlock master key system you need to expand on, try MK Express.

MK Express is more that just Master Keying Software that makes the best looking American Padlock master key chart generator, ever!


Axis #1: Standard Inline
Number Cuts: 5
Deepest Bow Cut: 8
Depth Progression: 2
Smallest Master Pin: 2
Max Adjacent Cut Difference: 5
Cut Symbols: 12345678

Click here to see the built in list of locking hardware that MK Express can create master key systems for