Thread: Rusty drill press column
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notbob notbob is offline
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Default Rusty drill press column
On 2017-10-04, wrote:

The use of the term "lubricant" in this case is controversial. It
keeps the metal of the valve and the metal of the seat from
micro-welding and tearing each other apart. It is NOT a "lubricant"
in the classic sense of the word.

I've oft heard the term, "cushion" used. Regardless, it is not a
synonym fer "lubricant".

nb
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