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  • 3M™ Dual Lock™ Reclosable Fastener SJ3749, Pop-In Piece Part, Stem Density 400, Black
  • 3M™ Dual Lock™ Reclosable Fastener SJ3749, Pop-In Piece Part, Stem Density 400, Black

    3M ID B40068985
    • Mushroom heads allow flexibility in alignment for easy attachment of components.
    • Can be opened and re-closed in high cycle applications.
    • Provides hidden component attachment, preventing disruption on the show surface.
    • Strong holding power reduces the rattling and vibration of components.
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    Product Details
    • Mushroom heads allow flexibility in alignment for easy attachment of components.
    • Can be opened and re-closed in high cycle applications.
    • Provides hidden component attachment, preventing disruption on the show surface.
    • Strong holding power reduces the rattling and vibration of components.
    • Does not require any special tools or processing equipment.
    • Can be used to attach components before they enter the final assembly plant, thus helping to reduce the number of parts and the length of assembly time.
    • Combinations of stem densities and the engaged area provide adjustable and proportional engagement and disengagement forces.
    • Audibly snaps together to form a secure, dependable and repeatable attachment.

    3M™ Dual Lock™ Reclosable Fastener SJ3749 is a black, polypropylene reclosable fastener with a pop-in square top, a pinecone stem and a stem density of 400 stems per square inch.

    3M™ Dual Lock™ Reclosable Fasteners Pop-In Parts attach without the use of pressure sensitive adhesive, and come with a variety of bases that can be inserted into holes of precise dimension. They are easy to install and require no special equipment or skills.

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