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Vacuum optimizing screws

Vacuum optimizing screws are used in vacuum systems to prevent virtual leaks. Virtual leaks occur when gases are trapped in cavities in a vacuum, such as in blind threads, and outgas over a very long period of time. Unlike pore or permeation leaks, virtual leaks are not detectable from the outside. By using vacuum optimizing screws instead of standard screws, these outgassing sources can be effectively eliminated, thus increasing the performance as well as efficiency of a vacuum system.

Vacuum optimizing screws have a venting channel through the center axis of the screw. This allows the gas in the cavity to escape. 
With our vacuum optimizing screws you get:

- A vacuum screw with a slim venting channel, which is the optimum size from a vacuum technology point of view, while the mechanical stability of the screw is almost completely maintained
- Lower pressure ranges of up to one order of magnitude with the same design (essential in ultra-high vacuum UHV and extreme ultra-high vacuum XHV)
- Reduction of contamination (e.g. nitrogen, oxygen, argon but also water vapor)
- Reduced pump down time of your equipment and resulting energy savings
- Maintenance of the pressure range and thus a higher throughput due to longer service life of the equipment

Vacuum-optimizing screws are available from us directly from stock. We can quickly provide you with variants that deviate from our standard portfolio - regardless of head shape, nominal diameter, length, material and surface coating - according to your requirements. Please do not hesitate to contact us!