If it's a 440V with a deep throat it will work.
Spot welded (resistance welding) pieces are supposed to be near same thickness. Two different materials will take different heat/electrode size to "melt". Bigish rivets or bolt it, as said. Carl: Where can you get SS Clutch Hd? BTW, the so called safety screw, one way screw, is called a clutch head also.
