Used to make joints when welding or brazing, premium filler metals in different varieties, materials, and sizes are all available at Zoro. Our selection includes arc welding rods, TIG welding rods, brazing alloys, thermoplastic welding rods, MIG welding wire, and more. Find strong filler metals for every project and filter our selection to find the right item for your needs with considerations that include diameter, tensile strength, overall length, and more.