LinkMejor Weld Nuts, M4 Square UNC Carbon Steel Machine Screw Gray 100Pcs

About this item Specification: Thread Size: M4-0.7mm; Thread Type: UNC; Width: 8mm/0.31"; Height: 4"; 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 x Square Weld Nut Advantages: Flat solder joints, steel, good weldability, thread size accuracy. › See more product details