The 3M™ Dual Lock™ Reclosable Fastener SJ3440 is the easy and clear alternative to traditional fastening methods, such as screws, nuts, or bolts. It is designed to deliver a durable, reclosable fastening solution, which can be opened and closed multiple times. This black fastener is most commonly attached by applying hot melt, epoxy, or liquid adhesive.Durable and secure, the 3M Dual Lock Reclosable Fastener SJ3440 has exceptional strength through its interlocking mushroom-shaped heads (250 stem density per square inch). With 3M Dual Lock Reclosable Fastener SJ3440, there is no need for any drilling or screwing. This fastener is most commonly attached by applying hot melt, epoxy, or liquid adhesive.
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Other Details
An alternative to screws and bolts
interlocking mushroom-shaped heads (250 stem density per square inch) provide strong
Non-adhesive back for attachment with hot melt
or Type 400 stem densities to provide different strength combinations
reliable and durable fastening that can be opened and closed multiple times
Strong fastener secures with an audible snap
this hidden fastener provides a snug fit and smooth aesthetic appearance