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Reclosable Fasteners
Mushroom Hook Fasteners
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

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Highlights

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
Mates with other stem densities to achieve a variety of engagement and disengagement forces

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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