3M SJ3550 Dual Lock Reclosable Fastener

3M Dual Lock Reclosable Fastener SJ3550 gives you up to five times the strength of hook-and-loop fasteners. As tough, polyolefin mushroom-shaped stems snap together, they provide both the tensile strength to replace traditional fasteners and a cleaner looking result. Our remarkable fasteners can be opened and closed over and over, up to 1000 times for repeated access or repositioning.

  • Reclosable system is up to five times stronger than typical hook-and-loop fasteners
  • Snap-in-place installation replaces screws and nails, snaps, and rivets
  • Black fastener is hidden when closed and provides clean, smooth appearance
  • Acrylic adhesive bonds well to metals, glass, paint, and high surface energy plastics
  • Ideal for indoor and outdoor use to attach doors, access panels, cushions, headliners, signs and display components



  • Brand 3M
  • Size & Packing

    ½” x 50 yards – 4 rolls/carton

    ¾” x 50 yards – 2 rolls/carton

    1” x 50 yards – 2 rolls/carton

    1-½” x 50 yards – 2 rolls/carton

    2” x 50 yards x 1 roll/carton

  • Part Numbers


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