Alright, i took some measurements: All holes are 4.3mm in diameter except for two which are 2.5mm in diameter.
The 3 right holes have a distance to the right of 6.0mm (all distances measured from the edge of the hole).
Hole bottom left: 5.5mm to the left.
Hole top left: 5.0mm to the left.
The top two holes: 5.5mm up.
The two bottom holes: 5.5mm down.
Center right hole: 82mm down.
Bottom center hole: 75mm to the right and 16mm down.
Center hole: 75mm to the right and 97.5mm down.
The dimensions of the keypad board are 48,8 x 89,5mm (the keypad case has 74 x 51mm).