Is that better than commercial penetrants like PB Blaster, or is that just one of those things mechanics tend to use because they have it sitting around I have a 100 year old cast iron screw jack, massive thing, that I am trying to free the screw up. PB soaks right in, hesitant to use heat because cast iron.
Is that better than commercial penetrants like PB Blaster, or is that just one of those things mechanics tend to use because they have it sitting around I have a 100 year old cast iron screw jack, massive thing, that I am trying to free the screw up. PB soaks right in, hesitant to use heat because cast iron.