Hydraulic Punching Machine for Angle Iron and Angle Steel—Small Punching Tool Model DF-20 Voltage 220 V/110 V Power 2200 W Throat depth 35 mm Copper/aluminum sheet thickness ≤ 1 mm Iron/steel sheet thickness ≤ 6 mm Force 20 T Punching speed 1–2 s Punching diameter 4.2–20.5 mm Weight 12 kg Dimensions 38.5 × 12.5 × 26
