Drilled Punches(Irregular Angles Edge)

This type is popular.It is possible to wedge foam, rubber etc. into the drilled punches. The cutting lines are better than if using the Feed Through Punches and Side Ejector Punches. The knife is about 0.7mm thick (fromφ30 or more, the knife is 1.0mm thick).The one-sided knife is the same thickness.(The spacing rule of standard dimensionsis 0.5mm)