What grit aluminum oxide...

fastcarsgofast

June 26, 2010 17:03

Should I use when blasting parts before parkerizing?

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  oneoldsap

  June 26, 2010 17:20

  Brownells suggests 120 Grit .

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  Spartacus

  June 26, 2010 19:50

  I use 90 at 60 psi. just go lightly. leaves good tooth for pakerizing and matte black ceramic.
  tom

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