M1

From Lockwiki
Jump to navigationJump to search

M1

A M1 key

The M1 is a common key profile which is widely used by Master Lock padlocks and many knock-off brands.

These locks include the Master Lock No 1, 2, 3, 4, 5, and 6. The blank has space for 4 pins stacks and is widely produced by key blank manufacturers such as ILCO and HY-CO.

The profile of a M1 key blank.


Master Lock uses the part number 1K for their key blank.

  • ILCO 1092 or M1
  • JMA MAS-1
  • Silca MS2
  • Taylor 92
Stub lock.png
This article is a stub. You can help Lockwiki by expanding it.