KOCO Stud Welding equipment Inverter Technology 905i and 1805i combine excellent welding characteristics with low weight, minimum size and outstanding performance. They are the ideal equipment for mobile tasks or stud welding on thin work-pieces. The welding current setting is infinitely variable and the selected setting is maintained with high accuracy throughout the welding process.


  • Particularly suitable for short-cycle-stud welding
  • Particularly suitable for thin work-pieces
  • Stepless, exact adjustment of welding current and time
  • Ideal for mobile tasks
  • Designed for welding on building sits
  • Plain text on LC-display
  • Operating interface: choice between 4 languages: German, English, French, Italian
  • Shielding gas equipment: standard
  • Self-diagnosis: overheating, short circuit control, failure and malfunction of pilot arc
  • Microprocessor controlled
  • Constant current regulation
  • Repeat cycle lock
  • Steel housing, powder-coated
  • Interface for automatic components: optional
  • Stud counter