3M™ Dual Lock™ Reclosable Fastener SJ3441 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.
FEATURES
- Black, interlocking mushroom-shaped heads (400 stem density per square inch) provide strong, reliable and durable fastening that can be opened and closed multiple times
- Mates with Type 170 or Type 250 stem densities to provide different strength combinations
- Non-adhesive back for attachment with hot melt, epoxy or liquid adhesives
- Strong fastener secures with an audible snap, verifying closure
- An alternative to screws and bolts, this hidden fastener provides a snug fit and smooth aesthetic appearance
- Features good temperature resistance of 220°F (104°C), though temperature resistance may change based on adhesive used
- Suited for indoor or outdoor use
APPLICATIONS
Alternative to pressure sensitive adhesives
Property | Values | Unit |
Thickness | 2.57 | mm |
101 | mil | |
Thickness Tolerance | ± 10 | % |
Stems | 62 | Stems/cm² |
400 | Stems/in² | |
Shelf Life | 24 | months |