Galling!

21 07 2011

The nuts and bolts for the large flange are galling:

This set is shot.

These sets are pretty expensive, so I asked MDC for a free replacement… which they gave me!

Galling is pretty common with stainless on stainless. One solution is to use anti-sieze:

But this introduces goopy hydrocarbons to my clean chamber.

MDC’s recommended solution is silver plated stainless steel bolts. At $77 for a large conflat it’s very expensive… but the way to go.

 

 

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One response

21 07 2011
amber jean

definitely expensive! crossing my finger is works… and congrats on the probe!

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