3M™ Dual Lock™ Reclosable Fasteners

3M™ Dual Lock™ Reclosable Fasteners are a great alternative to traditional fastening methods like screws, nuts, and bolts. Closures are strong, reliable, and yet easily removable without the use of tools. The interlocking mushroom shaped heads allow for easy repositioning prior to closure, allow for invisible fastening, and allow for tool free quick release. Blind fastening is as easy as a snap with the positive audible closure. With multiple adhesive options these products are durable both indoor and outdoor. These products can be cut to the length required for the application.

Applications include: Interior panel attachment on bus, rail, aerospace, ambulances, and elevators. Removable access panels for electrical panels, lighting, and control boxes.

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  • Temperature, moisture, and UV resistant
  • Interlocking head design has 5 times the tensile strength of traditional hook and loop fasteners
  • Durable bonding and fastening system that can open and close up to 1,000
  • Blind attachment
  • Tensile strength changes with mating stem density types
  • Audible positive lock
  • Reduces vibration
  • Available with plan and scrim backings as well
Product Comments Vendor Stem Density (per / in2) Color Adhesive Type Engaged Thickness, in (mm) Temperature Resistance (°F)
SJ3540 For indoor use, bonds well to most substrates including LSE plastics 3M 250 Black Rubber 0.23 (5.7) 140
SJ3541 400
SJ3542 170
SJ3550 Excellent general purpose 3M 250 Black Firm acrylic 0.23 (5.7) 200
SJ3551 400
SJ3552 170
SJ3560 Excellent general purpose 3M 250 Clear Firm acrylic 0.23 (5.7) 220
SJ3561 400
SJ3562 170
SJ4570 50% the thickness of other dual lock, bonds to most substrates 3M Low profile Clear Low surface energy acrylic .098 (2.49) 158
SJ4575 50% the thickness of other dual lock, bonds to most substrates 3M Low profile Black Low surface energy acrylic .098 (2.49) 158
Typical representative values