1. Use a 3mm round punch to punch holes according to the position. <br>2. Replace the punch board according to the time period. <br>3. The punching position does not shift, does not punch deformation, and <br>does not have burrs.
1. Punch with a 3mm round punch and punch in position.<br>2. Replace the punch plate according to the time period.<br>3. Punch position does not shift, does not punch deformation,<br> No hair edges.
1. Punch holes according to the position with a 3mm Round punch.<br>2. Change the punching plate according to the time interval.<br>3. The punching position does not deviate or deform,<br>No burr.<br>