Square screw punch - VA, patented die: With side ejection for the waste piece. Suitable for: Stainless steel (VA) and sheet steel (ST 37). Operation: Hydraulic. Design: With stamp, die suitable for: Stainless steel (VA) and sheet steel (ST 37). Operation: Hydraulic. Design: With stamp, die, hydraulic screw and lock nut. Storage: In a practical, sturdy plastic case, nominal size: 46.0x46.0 mm, pre-drill diameter 20.0 mm, max. material thickness 2.0 mm