You drilled a stainless bolt into an aluminium panel. Or a steel screw into a copper fitting. Within weeks, that joint is corroding from the inside out — electrolytic attack between two dissimilar metals. You didn't see it coming, but you've seen the result: pitting, weeping, a joint that won't hold. DURALAC stops that process at the source. It's the same anti-corrosive jointing compound the US aerospace industry developed and still uses in marine, aircraft, and fabrication work. Green compound, 115ml tube, now chromate-free. Apply it to the fastener threads or the joint interface before you tighten. One squeeze per bolt. Get in the habit the next time you pick up your cordless drill. Add to cart so it's on your bench when the next joint goes together
