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Frequently Asked Questions


Question: Can standard "from-the-hardware-store" bolts be used on vacuum flanges?

Answer:

Any type of bolts (material or style) that is capable of squeezing an elasomer oring can be used on ISO or ASA flanges. Most users chose stainless steel for aesthetic reasons. The same goes for CF flanges with the criteria that the bolts must be capable of crushing a copper gasket.


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