pneumatic euro slot puncher

...Application of pneumatic Euro slot hole puncher: The hole puncher is pneumatic type, usually should be installed on bag making machine and punch euro hole for plastic or paper bag. It is 30x6x9mm hole puncher with 50mm passing slot length. Passing Slot (throat depth) means the space to pass bag (from hole center to inside edge). The main hole shapes we made for aluminum foil bag, foil...