Soldering is the joining of two metals by melting a third filler metal between them. A soldered connection occurs at a melting point of 840 degrees Fahrenheit. Take care of your soldering and brazing needs with Hot Block Heat Stop Putty or our all-in-one brazing pack. SolderWeld Pack comes with a five pack of aluminum repair and aluminum to copper rods, powder flux, silver to phosphorous rods, and a stainless steel wire brush. Shop a variety of soldering products right here at Jackson Systems & Supply.