The hole spacing 3/4″ by 9-1/16″ is the most common hole spacing for a door closer. Back in the late 1960’s early 1970’s Norton Door Controls made a door closer called the Norton 1600, which was used extensively on aluminum…
The hole spacing 3/4″ by 9-1/16″ is the most common hole spacing for a door closer. Back in the late 1960’s early 1970’s Norton Door Controls made a door closer called the Norton 1600, which was used extensively on aluminum…