... for punching 4.high performance,easy operation Nameplate:BrandWonLonTypedeep throatModelJ21S-100Power typeElectricVoltage380vMain power10kwControllerArtificiallyLayoutVerticalThroat 600mmStroke length130mmStem hole σ60 ... of stamping sheet metal production, and can be used for punching,blanking, trimming, bending, ... 200t,250t,315t,350t of pressing machine for your choice. J21S-100 deep throat punching ...