For punching connection holes ø 6 mm / 0.23”.
Fix hole distances from front side: 20 mm / 0.78”.
Interchangeable spacer bolts allow lateral hole distances of 11.5 mm / 0.45”, 32.5 mm / 1.27”, 100.5 mm / 3.95” and 147.5 mm / 5.80” without prior marking.