Remove RustTo remove rust from exceptionally rusted iron or steel articles such as nuts rusted on to a bolt, place in enough DYC Malt Vinegar to cover completely and leave overnight.
DYC Malt Vinegar
Place items in a container.
Cover completely with DYC Malt Vinegar.
Wash off the vinegar with clean water. Lightly scrub off the rust with a soft brush.