Package Content: 10 Pcs x Square Weld Nut uxcell Weld Nuts, M6 M8 Tab Base UNC Carbon Steel Machine Screw 2 Projection Grey 50in1 Set: : Industrial & Scientific 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 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. 10PCS M6 Tab Base UNC Weld Nuts Machine Screws 2 Projection Carbon M6-1 Square Nuts Uxcell Hex Weld Nuts,5/16-18 Carbon Steel With 3 Projections Machine UNC Threaded Nuts Steps: First clean the welding surface, using sandpaper or steel brush to remove the joint oxide. Buy uxcell M6 Square Nuts Carbon Steel Machine Screw Weld Nut Pack of 100 with fast shipping and top-rated customer service. Once you know, you Specification: Thread Size: M6-1mm; Thread Type: UNC; Width: 10mm/0., 39; Height: 6mm/0., 24; Material: Carbon steel; Grade: 4., 8., Application: Used for pipe furniture, tables and chairs, shelves, vehicles, trolley casters and other threaded connection. The measurement allowed error is +/- 0., 3mm.