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SKU 7010384083
Legacy SKU 70070969939
UPC 00021200563874
Product Number SJ3223

3M™ Dual Lock™ Reclosable Fastener SJ3223, Roll Good without Pressure Sensitive Adhesive, Black is a reclosable fastener with a rigid polypropylene backing. It has a stem density of 250 stems per square inch. The mushroom-shaped stems interlock to supply very high tensile strength and replace mechanical fasteners in many applications.

  • Interlocking mushroom-shaped stems snap together to form a strong, fast and easy attachment
  • Non-woven backing facilitates attachment to automotive substrates with hot-melt or liquid adhesives
  • 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
Estimated date of shipment July 11  


Minimum Order 4 Rolls
Order Increment 4 Rolls
  Multiple Application Use
  Easy To Use
  Fantastic Price
Product Dimensions
Imperial Metric
Width 1.378 in 35 mm
Length 49.213 yd 45 m
Shipping Dimensions
Weight 31.5 lb
Length 20.9 in
Width 20.9 in
Height 7.6 in
Color Black


  1. What is 3M™ Dual Lock™ Reclosable Fastener SJ3223?

    The 3M™ Dual Lock™ Reclosable Fastener SJ3223 is a high-performance interlocking mushroom-shaped stem and loop tape that provides great design flexibility and fast product assembly for various industrial applications.

  2. What makes the Roll Good without PSA version different from other versions?

    The Roll Good without PSA version has no adhesive backing, offering maximum versatility in mounting options while still delivering secure bonding, tensile strength, and holding power.

  3. Can you tell me about the dimensions of this particular package of Dual Lock reclosable fasteners?

    Certainly! Each roll in the package measures 35 mm x 45 m with a black stem density of 250. With four rolls per case available for bulk purchase, this provides more value to your business.

  4. Where can I use SJ3223 Reclosable Fastener products?

    These fasteners provide closure alternatives for corrugated boxes at low temperatures (−20°C/−4°F). Some recommended applications include POP displays, airport luggage tags, medical devices such as back braces and knee pads. You can also customize these Qwik-Fastening Solutions with color coding and added functionality like UV resistance or stronger hold strength by substituting another compatible series number.

Convenient for Automotive Trim
Ideal for attaching automotive trim components, 3M™ Dual Lock™ Reclosable Fastener SJ3223 provides a high-strength closure that is easy to assemble and just as easy to open and reclose in high cycle applications. Moreover, the pieces audibly snap together with a satisfying click to form a secure, dependable and repeatable attachment.

Designed with hundreds of interlocking mushroom-shaped stems, this polypropylene fastener can replace conventional attachments such as screws or adhesives, which can be time-consuming to fit and assemble, may weaken the part, or are susceptible to vibration and weather extremes. Dual Lock fasteners are constructed with polyolefin stems and hold tight regardless of high heat, cold, moisture or humidity. These fasteners are also an excellent attachment solution when vibration is an issue – not only do the fasteners hold tight, but actually reduce vibration and rattling. The non-woven backing enables attachment to automotive substrates with hot-melt or liquid adhesives.

How It Works
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 is easy with no special tools required. This means that these fasteners can be used to attach components before they enter the final assembly plant, helping to reduce the number of parts and the length of assembly time.

Stem Densities
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. The Dual Lock fastener SJ3223 has 250 stems per square inch (25mm), offering the tightest hold, and can be mated to Type 170, 250 or 400.

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 multiple closures, look no further than the long-lasting durability of the 3M™ Dual Lock™ Reclosable Fastener SJ3223. It is yet another outstanding example of how 3M technologies advance operations in the automotive industry, providing both ease of use and superior results.