Band saw butt welder are suitable for the modern method of joining band saw blades, giving a joint strenght of 25% higher than that of the base metal strenght. it eliminates the old process of the overlapped brazing. It has quicl and automatic resistance welding, thus eliminating human error and provides a perffect and strong joint. The band saw bade ends are cut straight at right angles and free of burrs during welding process. A special shearing attahment is given for cutting the piences at right angles. A grinding attachment removes the burrs from the welded zone.