3M™ Dual Lock™ Reclosable Fastener SJ3780, Roll Good without Pressure Sensitive Adhesive, Stem Density 250, Black

3M™ Dual Lock™ Reclosable Fastener SJ3780 is a reclosable fastener with a rigid polypropylene backing and a countersunk hole for screws or rivets. 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.

3M™ Dual Lock™ Reclosable Fastener SJ3780 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. 3M™ Dual Lock™ Reclosable 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 the fasteners hold tight but aLSO reduce vibration and rattling.