Pressure is everywhere, whether it’s a ship cruising at sea level or a robot diving below the surface of the sea, pressure increases precipitously. Standard fasteners are not built to withstand such extreme pressure, and may crack, causing gases and liquids to leak and pollute the ocean while damaging high asset equipment. It is only high-tech sealing fasteners, such as those from ZAGO Manufacturing Company, that are suitable for these high pressure environments.(…)
via Performing in high pressure environments | Fastener + Fixing Magazine.