punching machine: Standard bore from Parallelism angle:70mm, 80mm,108mm Patent design

punching machine:

- Patent design - Punch up to 300 sheets each time - Bore diameter :4mm &5mm &6mm - Standard bore from opposite angle :20mm - Standard bore from Parallelism angle :70mm\80mm\108mm - Can be punched two bores with 70mm each time - Can be punched four bores with 80mm each time

punching machine