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3M™ Dual Lock™ Reclosable Fastener SJ3441, Black, 1 in x 50 yd, Type 400, 2 Roll/Case

Dual Lock™

$300.70 / Roll

SKU 7000001955
Legacy SKU 70070427847
UPC 00021200862298
Catalog Number SJ3441
Product Number SJ3441

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.

  • 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
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On it's way to you September 6  

Qty

Minimum Order 6 Rolls
Order Increment 6 Rolls
  Multiple Application Use
  Versatile
  Easy To Use
  Fantastic Price
Product Dimensions
 Imperial Metric
Weight 3.39953 lbs
Width 20.37402 in
Length 20.3748 in
Height 1 in
Shipping Dimensions
Weight 6.84976 lb
Length 20.98425 in
Width 20.98425 in
Height 2.79528 in
Color Black

PRODUCT FAQ

  1. What is 3M™ Dual Lock™ Reclosable Fastener SJ3441 used for?

    3M™ Dual Lock™ Reclosable Fastener SJ3441 is an adhesive-backed, reclosable fastener that can be used in a wide range of applications. It can be used to attach display signs and graphics, electronic device housings, and many other products.

  2. How strong is the bond of 3M™ Dual Lock™ Reclosable Fastener SJ3441?

    The bond strength of The 3M™ Dual Lock™ Reclosable Fastener SJ3441 is dependent on several factors such as substrate type, temperature conditions and surface energy. To achieve maximum adhesion between two surfaces bonding should occur when room temperature and sufficient pressure applied with interlocking strips for no less than one minute at room temperature (+20°C/68°F).

  3. Can I reuse the reclosables or are they only good for one use?

    Yes! One of the key benefits of this product is its ability to be opened and closed multiple times while still maintaining a secure hold. This makes it ideal for situations where items need to be frequently accessed or removed often; you don’t have to worry about damaging either side because there aren't any hooks or loops that could potentially be damaged by continued use.

For industrial/occupational use only. Not for consumer sale or use.
3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use.  Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice.  Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage.  For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert.
Unlock Simplicity

Durable and secure, 3M™ Dual Lock™ Reclosable Fastener SJ3441 has exceptional strength through its interlocking mushroom-shaped heads (400 stem density per square inch). With 3M™ Dual Lock™ Reclosable Fastener SJ3441, there is no need for any drilling or screwing. This fastener is most commonly attached by applying hot melt, epoxy or liquid adhesive.

Recommended Applications:
  • Alternative to pressure sensitive adhesives
Design Flexibility

3M™ Dual Lock™ Reclosable Fastener SJ3441 consists of interlocking mushroom-shaped heads that easily slide over each other, allowing for positioning of parts before being snapped together. This fastening process creates a durable attachment and provides fast product assembly with great design flexibility. 3M reclosable fasteners can also engage with different stem densities for varying levels of strength and system performance.

3M™ Dual Lock™ Reclosable Fasteners sound an audible snap when secure, which verifies closure of the attachment. To disengage, simply peel the pieces apart by hand. 3M fasteners maintain their strength throughout multiple attachments and detachments. A lightweight alternative to metal fasteners, this product remains hidden beneath surfaces and does not interfere with the integrity of your material—providing aesthetic improvements and design flexibility.

Hundreds of Reattachments in a Snap

When two pieces of 3M™ Dual Lock™ Reclosable Fasteners mate, the stems flex and the mushroom heads slide past each other. After passing the opposing mating piece, the stems snap back into their original position and the opposing mushroom heads interlock. These fasteners can provide high tensile strength but can be opened by simply cleaving or peeling open the closure. This product is well suited for many indoor applications where a good performance, high strength, reclosable fastening system is required.

Delivers Long-Lasting Performance

Not all design requirements are easily satisfied, but you can simplify your attachments. When you need a strong, reliable, yet removable closure, 3M™ Dual Lock™ Reclosable Fasteners are the easy alternative to traditional fastening methods such as screws, nuts or bolts.

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Lead times are estimates and may vary based on our suppliers' product availability.