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#5/16-24 Vented Hex Head Screws

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5/16-24 Hex Head (HHS)

The use of 'Vented' fasteners inside a vacuum environment is critical. A non-vented, blind-threaded hole creates a gas pocket that's difficult or impossible to evacuate (pump down) without an escape path. A trapped gas will manifest it self as a 'virtual leak', which is difficult to locate and causes unwanted downtime. Accu-Glass 5/16-24 hex head screws are manufactured from vacuum compatible 18-8 grade stainless steel.