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New expanded catalog details high-pressure, 20,000psig/vacuum internal/external self-sealing fasteners including machine and self-taping screws, bolts, rivets, and nuts in standard and metric sizes. UL recognized, they feature a stainless-steel single-piece design, with a patented captive silicone O-ring in a geometric groove located under the head...assuring full metal-to-metal surface contact. Self-sealing washers designed for use with regular screws or bolt for sealing large clearance holes, slots or protrusions. These formed stainless-steel washers have a bonded coating of silicone rubber that when torqued forms a seal around the screw, bolt and periphery of the washer face.

For a free copy of catalog SF500 contact: APM HEXSEAL, 44 Honeck St., Englewood, NJ 07631. Telephone: 201.569.5700 FAX: 201.569.4106. Web: www.apmhexseal.com eMail: info@apmhexseal.com