TONASCV 100PCS Spot Welding Screw M3 M4 M5 M6 M8 M10 Aluminum Copper Stainless Steel Solder Point Bolt Weld Stud for Capacitor Discharge(Copper Plated Steel,20MM_M6 (50 Pieces)). Versatile Application:Ideal for capacitor discharge welding, these studs are suitable for a range of DIY metalworking projects. Fs Welding Supplies Aluminum Flux Core Welding Wire Material Versatility:Crafted from Copper Plated Steel, Aluminum Alloy, and 304 Stainless Steel, these studs offer durability and compatibility with various metals. Wide Thread Range:Choose from a variety of thread sizes, including M3 to M10, to match your specific welding requirements. Convenient Packaging:Available in plastic bags or cartons, these studs are easy to store and transport for on-site welding. Material:Copper Plated Steel / Aluminum Alloy / 304 Stainless Steel Farbe:Copper Plated Steel