Advantages: Flat solder joints, steel, good weldability, thread size accuracy. About this item These uxcell weld nuts are perfect for metalworking projects where you need strong, permanent threaded connections. The M4-0.7mm UNC thread size is super common, and the square 8x8x4mm design provides plenty of surface area for solid welding. Made from grade 4.8 carbon steel with good weldability, they're strong enough for most applications without being overkill. Perfect for... 1., It is made by cold forging of carbon steel with good weldability., 2., Easy to use on two separate components, use welding tools to weld nuts, simple operation, high fastness., 3., Usually used for component maintenance., 4., Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. uxcell M4x20mm Machine Screws Hex Socket Round Head Screw 304 Stainless M4 Weld Nuts Uxcell Weld Nuts,M10 Tab Base UNC Carbon Steel Machine Screw 4 Carbon Steel Weld Nuts Package Content: 20 Pcs x Square Weld Nut Choose From Our Selection Of 1/4"-20 Weld Nuts In A Wide Range Of Styles And Sizes. Same And Next Day Delivery Steps: First clean the welding surface, using sandpaper or steel brush to remove the joint oxide. The measurement allowed error is +/- 0., 3mm.
