Specification: Thread Size: M10-1.5mm; Thread Type: UNC; Width: 17mm/0.67"; Height: 9mm/0.35"; 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: 10 Pcs x Square Weld Nut. Advantages: Flat solder joints, steel, good weldability, thread size accuracy..
