SUNKKO HB-71A Spot Welding Pen Battery O Type Interface Suitable for 709A 709AD Spot Welder Machine

Features 1 The independent sets easy to transport and assembly use 2 All low resistance oxygen free copper material the discharge spot welding stable 3 With the 7 series welder mating connector that enables welding function greatly increased 4 Removable style tip for easy replacement of joints of different sizes 5 Anti slip sets of professional pen shaped handle for easy gripping 6 Built in pressure balance resilient means discharge spot welding fine 7 The United States aluminum alloy solder pins long life Use 1 The lithium battery spot welding leads 2 Electronic circuit board traces spot welding 3 Spot welding metal parts 4 The electrical wire spot welding metal case 5 Electronic hobbyist electronic production welding Connection 1 The connection point before the first welding pen welding joint plane with fine sandpaper lightly polished to expose the metallic luster To prevent future surface oxidation can be coated with lubricating oil in trace its joint plane 2 The same way the discharge of coppper head spot welder on the plane processing 3 Spot welding with a universal pen with inner M4 SHCS pen spot welding joints will be installed on welding must be tightened M4 screws tight in order to maintain good electrical conductivity 4 The welding power supply plug into the power outlet dedicated rather than use the power carriage otherwise bad power supply will affect the welding effect 5 Since the pen purpose spot welding cables up to 0 65 meters X