3M™ Dual Lock™ Reclosable Fastener SJ3781 is a black, polypropylene reclosable fastener roll good with pressure-sensitive adhesive. This fastener is available in a number widths and has a stem density of 250 stems per square inch.
3M™ Dual Lock™ Reclosable Fastener SJ3781 is a black, roll good with a pressure-sensitive adhesive and a stem density of 250. Dual Lock™ fastener SJ3781 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.