STAINLESS STEEL SEALED DOME RIVETS ISO 16585

Sealed Dome Rivets ISO 16585 — Standard open-mandrel blind rivets leave a small through-hole at the centre of the joint where the mandrel snaps off flush, and in most indoor or general applications that gap is irrelevant - but wherever the joint faces outdoor weather, washdown, or fluid contact, it's a route for moisture, gas, or contaminants to pass through. ISO 16585 closes that gap with a sealed or closed-end construction, giving a genuinely weatherproof or gas-tight joint rather than just a mechanically sound one, which makes it the right choice for outdoor enclosures, marine fittings, and equipment subject to regular hose-down or pressure washing. It installs exactly like a standard dome rivet - set with a rivet gun that pulls the mandrel to expand the body and form the blind-side head - so no special tooling or technique is needed to take advantage of the seal. It's worth being realistic about what "sealed" covers: the rivet body itself resists ingress at the fastener, but overall joint sealing also depends on hole fit, any sealant used around the joint, and the condition of the surrounding material, so a sealed rivet isn't a substitute for proper joint design in a genuinely watertight enclosure. Sizing follows the same logic as any blind rivet - shank diameter for the load the joint needs to carry, grip range to span the full material thickness being joined - and because sealed rivets cost more than open-type equivalents, they're generally specified only where the sealing function is actually needed rather than as a default upgrade. On grade, A2 is adequate for general outdoor use; A4 is worth the combined premium (sealed plus A4) in genuinely aggressive environments - coastal sites, marine equipment, or chemical washdown areas - where both mechanical corrosion resistance and gas or moisture sealing matter together.

FAQs
Is a sealed rivet fully watertight on its own?
It resists ingress at the rivet body itself, but overall joint sealing also depends on hole fit, sealant use where specified, and material condition.

Can a sealed rivet be identified visually once installed?
Not reliably from the front face - the closed-end construction is inside the rivet body, so specifying and ordering correctly at the outset matters more than trying to verify by inspection afterwards.

Is the sealed version available in a countersunk head style too?
This standard covers the dome head; where a flush finish is also needed alongside sealing, check with the supplier for an equivalent countersunk sealed option.