Grainger carries solder to help provide secure bonds and attachments in electrical and plumbing work. Find lead-free and leaded rosin core solders in a variety of diameters to help with speaker wire and motor assembly. Get a tin, copper and selenium composite solder kit with flux, brush and sand cloth to help make plumbing repairs. Use leaded solder for non-potable water applications. Shop Grainger today and stock up on solders that can fit your applications!