Artech Welders supplies capacitor discharge stud welders. Some of the salient features of these welders include: uniformly high welding quality; applicable to different materials; no re-working necessary on the other side of the weld; no additional material necessary, such as flux, inert gas rings; eliminations of different operations such as drilling and riveting, etc; and no leakage even when welding on to containers. 300 x 120 x 320 mm [W x H x D]; and weight - 20 kg are dimensional features . Some general specifications of these welders include; welding range - M 3-M8 or ? 3-8 mm with stainless steel, aluminium and brass; welding method - tip ignition; standard pistol - mechanical positioning. Various electrical features are: power source - capacitor battery; charging capacity - 66.000?F; charging voltage - 50-200 V infinitely variable; welding time - 0.001-0.003 sec; welding sequence - up to 10 studs/min depending on stud diameter; power supply - 230 V, 50 Hz, single phase; welding cable - 3 m highly flexible; ground cable - 2 x 3 m highly flexible.