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Eliminate rework. Improve productivity. Enhance designs.REQUEST A SAMPLE
3M™ Dual Lock™ Reclosable Fasteners are a heavy duty, reliable and reclosable fastening method.
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Looking for a reclosable fastener?Go to selector
Enter project requirements to review appropriate options, or search by product ID, review tech data sheets or download PDFs to guide a current project.
3M™ Dual Lock™ Reclosable Fasteners
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Reliably Strong, Over and Over Again
When you need a strong, reliable attachment that also opens and recloses, look no further than 3M™ Dual Lock™ Reclosable Fasteners. Strong, interlocking mushroom-shaped heads slide past each other to close with a snap, then peel apart easily when you need to reopen. 3M™ Dual Lock™ Reclosable Fastener strips make excellent quick-release access panel fasteners and die-cut pieces can also be used to attach accessories to a dashboard or windshield. The quick-release fastening can also be used for interior panels that require maintenance or changeable signage and display units.
- Interlocking mushroom-shaped heads have five times the tensile strength of hook and loop products
- Durable — open and close up to 1,000 times before losing 50% of original tensile strength
- Temperature, moisture and UV resistant
- Pressure-sensitive adhesive easily forms a powerful bond
- Easy to apply and maintain, easy to clean out dust or debris
- Helps reduce vibration
- A variety of pressure-sensitive adhesives are available to form a powerful bond with many materials
- Low profile option is approximately half the thickness of standard 3M™ Dual Lock Reclosable Fastener
For thinner applications, see our low profile products including: SJ4570 (clear, indoor use), SJ4575 (black) and SJ4580 (clear, indoor/outdoor use).
Try our product selector: filter by your project requirements, then review the options to compare product performance.
Mix and Match Densities for the Strength You Need
Different combinations within the 3M™ Dual Lock™ Reclosable Fastener family let you find the right strength for your application. 3M™ Dual Lock™ Reclosable Fasteners have mushroom-shaped heads in three different densities, or Types: approximately 170, 250 or 400 heads per square inch. Start by mating 250:250 and then determine what to try next.
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3M™ Dual Lock™ Reclosable Fastener Simplicity
- Easy to Apply: Just peel off the protective liner from each mated piece of 3M™ Dual Lock™, attach them to your separate pieces (using a roller to ensure good adhesion) and then push the pieces together until you feel the mushroom-shaped heads interlock. Alternate method: Peel the protective liner from one side and attach the mated strip to one surface using a roller to ensure good adhesion, then peel the other liner to expose the adhesive and attach your second surface, pressing down to ensure good adhesion; the pieces can then be peeled apart for access.
- Easy to Maintain: Just detach the pieces for easy cleaning and maintenance – fastener can be sprayed out with water or air to remove dirt or debris.
- Easy to Replace: To change a sign or replace a panel, remove the original sign or panel and apply a new strip of either 3M™ Dual Lock™ to the new piece as described above, then push the pieces together.
- Technical Bulletin (PDF, 627.3 KB): Designing with 3M™ Dual Lock™ Reclosable Fasteners
The Fast, Flexible Attachment for Many Applications
Any item that needs to be firmly attached but able to be removed for maintenance or refurbishment, or any application where similar pieces need to be changed out, is a good candidate for 3M™ Dual Lock™ Reclosable Fasteners. The stems and heads are engineered to withstand hot, cold, wet or damp conditions so they’re suitable for indoor or outdoor use.
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Interior Panel Attachments- Passenger rail cars
- Buses
- Ambulances
- Marine vessels
- Elevators
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Removable Access Panels- Water and natural gas valves
- Electrical junctions
- Elevator control boxes
- Recessed lighting
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Mobile Mounting- Windshields
- Vehicle dashboards
- Electronics, sensors or trackers
- Motorcycle or RV accessories
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Signage and Display- Free-standing signage
- Kiosk assembly
- Point-of-sale system attachment
- Placards or retail price tags
Reclosable Fasteners Resources
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Need help finding the right product for your project? Contact us if you need product, technical or application advice or want to collaborate with a 3M technical specialist, or give us a call at 1-800-831-0658.
Need help finding the right product for your project? Contact us if you need product, technical or application advice or want to collaborate with a 3M technical specialist, or give us a call at 1-800-831-0658.
Reliable holding power for lighter duty
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If your application doesn’t require all the strength 3M™ Dual Lock™ Reclosable Fastener provides, we also offer 3M™ Hook and Loop Fasteners for reliable, repeatable closure in more ordinary situations.
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Learn more about the advantages of 3M™ Reclosable Fasteners for a firm hold with easy opening and reclosure.
