Best Lock / Best Access Padlock Model List

Below is a list of the Best Universal / Best Lock / Best Access interchangeable core padlock model numbers. The table is broken down by each part of the model number — to make the model number for a particular padlock, combine the appropriate values in the first 4-5 columns — for example: 41B72 or 2B43.

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Best Padlock Shackle Codes

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Best Padlock Extension Codes

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A site dedicated to the history of the Best Lock Corporation Interchangeable Core Padlock.