What is the recommended spacing for 22mm pushbuttons ?

Issue:
What is the recommended  spacing for  22mm pushbuttons ?

Product Line:
Harmony Pushbuttons

Environment:
All Products

Cause:
Product Features

Resolution:
Horizontal spacing is 1.18`` or 30mm, vertical spacing is 1.57`` or 40mm, hole size 0.88`` ( recommended 0.89`` ) or 22.5mm