BIG BOLT NUT is an ISO 9001 certified company and has been manufacturing bolts and nuts in stainless steel, carbon steel and alloy steel since 1989.
Ø Suitable for welding carbon steel, stainless steel, aluminum and aluminum alloy;
Ø Low cost, High welding rate, Simplify the working process;
Ø Specially designed main power supply, the whole welding process controlled by the microprocessor,current regulation and high performance ensure precise repeatability and optimum welding results;
Ø Dual-purpose machine: Arc stud welding and manual electric arc welding simple exchange.