A Guide to O-Ring Material Selection
O-rings play a vital role in sealing fasteners. Sealing fasteners are hardware devices (e.g., sealing bolts, sealing screws, and sealing nuts) used to mechanically join two or more components together. They also form seals at the fastening point that prevent unwanted ingress or egress of materials. They have built-in O-rings, which create a tight hermetic seal once the fastening element is fully installed. The O-ring element in a sealing fastener can be made from a variety of materials depending on...