Specification: Thread Size: M6 x 1mm ;Thread Type: UNC ; Width: 10mm/0.39"; Height: 6mm/0.23";Material: Carbon steel;Grade: 4.8.. Application: Used for pipe furniture, tables and chairs, shelves, vehicles, trolley casters and other threaded connection.. Steps: First clean the welding surface, using sandpaper or steel brush to remove the joint oxide.Second welding a little bit and adjust the verticality of the thread .Finally solder all the solder joints.. Package Content: 100 Pcs +/- 2 x Square Weld Nut. Advantages: Flat solder joints, steel ,good weldability, thread size accuracy..
