[GTALUG] (off topic) Anyone with welder?

Hi, I want to weld "locking bit holder" to a cordless screwdriver which just has regular non-locking magnetic bit chuck. The weld doesn't need to be solid around. Just 3 spots will do. I tried all kinds of "glues", but they don't last. Does anyone have (arc) welder, and willing to accept a dozen donuts as payment? Relevance to Linux: Less time I spend on this, more time I can spend on Linux. --