... are available such as shrinking, washer , direct-pulling, spot welding, flatten-ing , waveform wire ,stud welding, OT washer, triangle washer, etc .8. Digital ... welding current:One-side welding thickness:Cable length:Dimensions:WeightAC 380-440V 50/60Hz22KVA57A5800A0.8+1.2mm2300+1900mm720*600*1550mm86kg Multi-functional spot welding machine ...