3M™ Dual Lock™ Reclosable Fastener SJ3551CF, Black, 1 in x 5 yd, Type 400, Sample

3M™ Dual Lock™ Reclosable Fastener SJ3551CF is the convenient alternative to traditional fastening methods, such as screws, nuts or bolts. It is designed to deliver a durable, reclosable fastening solution which bonds to a variety of substrates including metals, glass and plastics such as acrylics, polycarbonate and ABS. This fastener gives the adhesive a black appearance.
Special Price $47.13 Regular Price $55.45
3M ID 7100271907
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Unlock Simplicity

Durable and secure, 3M™ Dual Lock™ Reclosable Fastener SJ3551CF has exceptional strength through its interlocking mushroom-shaped heads (400 stem density per square inch), providing up to 5X the tensile strength of typical hook-and-loop products. This fastener was designed with a clear, acrylic, tape protected by a removable, film liner. This solid, pressure sensitive tape features a strong, durable bond that is heat, chemical and UV resistant. With 3M™ Dual Lock™ Reclosable Fastener SJ3551CF, there is no need for any drilling, screwing or sewing tools which makes for quick installation.

Recommended Applications:

Access panels Graphic attachment Specialty vehicles (interior attachments)

General industrial attachment

Design Flexibility

3M™ Dual Lock™ Reclosable Fastener SJ3551CF 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. These 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. These 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 and outdoor applications where a high strength and versatile 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.


  • 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 and Type 250 stem densities to provide different strength combinations
  • Clear, acrylic, tape bonds well to a variety of substrates including metals, glass and plastics such as acrylics, polycarbonate and ABS
  • 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)
  • Best suited for indoor and outdoor use
More Information
3M ID 7100271907
Keywords 3M, Dual Lock, Reclosable Fastener, SJ3551CF, alternative fastening, durable fastening, interlocking mushroom heads, reliable fastening, multiple reattachments, reclosable fastening solution, bonding metals, bonding glass, bonding plastics, acrylic, polycarbonate, ABS, strong adhesive, clear acrylic tape, pressure sensitive tape, high tensile strength, heat resistant, chemical resistant, UV resistant, drilling-free installation, screw-free installation, indoor use, outdoor use, access panels, graphic attachment, industrial attachment, design flexibility, secure attachment, audible snap, removable fastener, hidden fastener, lightweight fastener, aesthetic improvements, multiple attachments, versatile fastening system, automotive industry, commercial solutions, construction industry, electronics assembly, manufacturing applications, transportation industry, aerospace industry, bonding assembly, building maintenance, commercial vehicles, specialty vehicles, DIY applications
Global Product Hierarchy Tapes > Reclosable Fasteners > Mushroom Hook Fasteners
Color Family Black
Product Color Black
Product Number SJ3551CF
Product Type simple
Quantity 0
Trademark 1 3M™
Trademark 2 Dual Lock™
Country of Origin United States
SAP Shelf Life In Days 730
Base - Billing Unit ROL
Base - Metric Gross Weight 249.475 G
Base - Metric Height Dimension 3.81 CM
Base - Metric Length Dimension 21.59 CM
Base - Metric Width Dimension 30.48 CM
Base - Item Quantity 1
Base - Unit ROL
Consumer - Billing Unit ROL
Consumer - Customary Cubic Dimension 152.99995166919467 ci
Consumer - Customary Gross Weight 0.5499982285857233 lbs
Consumer - Customary Net Weight 0.5389993663253198 lbs
Consumer - Customary Height Dimension 1.5 in
Consumer - Customary Length Dimension 8.5 in
Consumer - Customary Width Dimension 12.0 in
Consumer - Metric Cubic Dimension 2507.22 CCM
Consumer - Metric Net Weight 244.486 G
Consumer - Metric Height Dimension 3.81 CM
Consumer - Metric Length Dimension 21.59 CM
Consumer - Metric Width Dimension 30.48 CM
Consumer - Item Quantity 1
Consumer - Total Unit Quantity 1
Consumer - Previous Packaging Level Quantity 1
Consumer - Item Unit RLS
Consumer - Unit ROL
Shipper - Total Unit Quantity 1
Shipper - Previous Packaging Level Quantity 1
Pallet - Total Unit Quantity 999
Pallet - Previous Packaging Level Unit LOOS
Pallet - Pallet Layer Quantity 1
Pallet - Shipping Container Per Layer Quantity 999
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