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SKU 7010317710
Legacy SKU 75347209654
UPC 00051115544231
Product Number SJ3260

3M™ Dual Lock™ Reclosable Fastener SJ3260 is a black, polypropylene reclosable fastener with a 20 mm x 70 mm, rectangular base with extended edges that slide into a channel of precise dimension. It is lined with polyolefin mushroom stems of density 400 per 25mm², and can be paired with other stem densities for varying levels of strength.

  • Interlocking mushroom-shaped stems snap together to form a strong, fast and easy attachment
  • Extended edges on two sides easily attach using formed or molded retaining bracket
  • Provides hidden component attachment, preventing disruption on the show surface
  • Strong holding power reduces the rattling and vibration of components
  • Resistant to high temperatures and solvents
  • Does not require any special tools or processing equipment for installation
  • Audibly snaps together for a secure, dependable and repeatable attachment
  • Mates with other stem densities to achieve a variety of engagement and disengagement forces
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On it's way to you October 31  


Minimum Order 3,000 Items
Order Increment 3,000 Items
  Multiple Application Use
  Easy To Use
  Fantastic Price
Product Dimensions
Imperial Metric
Width 0.787 in 20 mm
Shipping Dimensions
Weight 28.79 lb
Length 17.9 in
Width 17.9 in
Height 13.3 in
Color Black


  1. What is the size of 3M's Dual Lock SJ3260 Reclosable Fastener?

    The slide-in piece part has a stem density of 400, measuring at 20mm x 70mm.

  2. How many pieces are there in a single case of this product?

    Each case contains around 3000 pieces of the Dual Lock SJ360 reclosable fastener.

  3. Is this product available in other colors aside from black?

    Currently, we only carry the Dual Lock SJ3260 Reclosable Fastener in black color and do not have any plans to release it in other colors for now.

  4. Can you tell me more about how durable these fasteners are?

    Absolutely! These fastening solutions are known for their incredible strength and boundless durability which make them ideal for use where repeated access or refastenings required. They can withstand over thousands of openings and closures without losing grip or wearing down easily so that you can rely on them to perform consistently throughout their entire lifespan.

Designed to Hold
3M™ Dual Lock™ Reclosable Fastener SJ3260 is a black, polypropylene reclosable fastener with a 20 mm x 70 mm, slide-in, rectangular base with extended edges and a stem density of 400 stems per square inch. This product overcomes the often difficult alignment and installation problems of screws and hidden fasteners, offering simple installation with no additional tools required. 3M™ Dual Lock™ Reclosable Fasteners are positive-locking, blind fasteners designed for attaching automotive trim components. The products feature mushroom-shaped polyolefin stems that snap together, forming a high tensile closure. Dual Lock fasteners are used primarily to secure rigid and semi-rigid surfaces such as trim or door panels, instrument panel bezels, headliners, and other automotive interior and exterior trim.

These fasteners attach without the use of pressure sensitive adhesive, and come with a variety of bases that can slide into holes of precise dimension. They are easy to install and require no special equipment or skills.

How It Works
This pop-in fastener has extended edges and is designed to be inserted into a same-width channel where attachment is desired. The polypropylene base grips the inside of the channel and holds tight. The fastener can be mated to a second Dual Lock fastener attached to a piece of trim or other part – when the two fasteners mate, the two parts are firmly secured together.

When two pieces of 3M™ Dual Lock™ Reclosable Fasteners are pressed together, 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.

Alignment and re-alignment are easy and no special tools are required. This means that the Dual Lock fastener can be used to attach components before they enter the final assembly plant, helping to reduce the number of parts and assembly time.

Stem Densities
Stems offer more strength than hook and loop closures yet easily peel apart.Combinations of stem densities and the engaged area provide adjustable and proportional engagement and disengagement force to meet application requirements. Dual Lock fasteners are offered in three different densities (stems per square inch): 170, 250, and 400. Our Dual Lock fastener SJ3260 has 400 stems per square inch (25mm), offering the tightest hold, and can be mated to Type 170 or 250.

Recommended Applications
3M™ Dual Lock™ Reclosable Fasteners can replace conventional mechanical fasteners in a wide range of assembly and attachment applications where reclosability or serviceability is desired. Dual Lock fasteners are used primarily to secure rigid and semi-rigid surfaces such as trim or door panels, instrument panel bezels, headliners, and other automotive interior and exterior trim. Other application examples include attaching accessories and equipment, window and door trim panels, sunroof rings and vibration and sound damping control.

3M Science Delivers Closures You Can Count On
3M™ Dual Lock™ Reclosable Fasteners are ideal for many applications where a high strength, reclosable fastening system is required. 3M engineers have uniquely combined physics and materials science to bring the automotive industry reliable fasteners that supply high performance even after exposure to high moisture levels and wide temperature ranges. For applications that require a slide-in piece and multiple closures, look no further than the long-lasting durability of the 3M™ Dual Lock™ Reclosable Fastener SJ3260 Slide-In Piece Part. It is yet another outstanding example of how 3M technologies advance operations in the automotive industry, providing both ease of use and superior results.