About APM Hexseal
APM offers a system of product sealing solutions when just fastening isn't enough, consisting of a full range (size & types) of high-pressure re-usable self-sealing screws., bolts, nuts and rivets, all feature a patented sealing mechanism consisting of an under the head asymmetrical groove with an embedded silicone O-ring, creating a full metal-to-metal seal that resists gas/liquid pressures to 20,000+psi internal/external. And, when vibration is also an issue a choice of thread locking devices can be added that also enhances sealing while maintaining re-usability. RoHS compliant. UL & CSA Listed. APM also offers a choice of user-applied, economically priced, liquid adhesives and sealants.