Punching - Guidelines at design stage
The standard punches for ventilation slots are 90x15x5 mm. Horizontally, these should be 13mm apart, and vertically 8mm. Different sizes and punches are possible, but are more expensive.
The standard punches for ventilation slots are 90x15x5 mm. Horizontally, these should be 13mm apart, and vertically 8mm. Different sizes and punches are possible, but are more expensive.