Keys & Keyways
Master Lock padlocks use a variety of keys and keyways. Keys are available both cut and blank. A diagram of the keys and keyways is available to identify the match to your padlock. Click here to download the Keys & Keyways Chart from the Master Lock Technical Manual (pdf, 1.1MB).

Bitting Specifications
The bitting (cut depth) for Master Lock keys varies according to the keyway. The bitting specifications chart provides an accurate listing of cut depths by keyway.

Click here to download the "Bitting Specifications" chart from the Master Lock Technical Manual (pdf, 54KB).

Click here to download the Technical Manual in its entirety (pdf, 1.1MB).