3M™ Dual Lock™ Fastening System

Dual Lock consists of several mushroom-shaped stems which are located on an adhesive backing to provide a strong and durable Fastening System.

Dual Lock is engaged by simply pressing two parts of the product together whilst the mushroom-shaped stems interlock with each other. This engagement is evident by a ‘snap’ sound. The result is an holding strength, which is up to 12 times stronger than hook-and-loop fasteners.

The durability of Dual Lock allows for up to 1,000 openings and closures.

Additional features include:

• Fast and easy assembly / dismantling
• Can be used on flexible or rigid surfaces
• Range of mushroom-shaped stem densities determine the holding power
• 360° alignment possible so no need for precise alignment

Product Brochure (PDF 1.02 MB)

Dual Lock™ SJ3540

Backed by a rubber adhesive and with a stem density of 250 per sq in, this fastening system bonds aggressively to most surfaces and is used for general purpose applications

Technical Datasheet (PDF 46.0 KB)

Dual Lock™ SJ3550

Backed by 3M™ VHB™ Acrylic Foam Tape with a stem density of 250 per sq in, this fastening system provides an exceptionally durable fix for internal and external applications.

Technical Datasheet (PDF 46.0 KB)

Dual Lock™ SJ3560

Backed by 3M™ VHB™ Clear Acrylic Foam Tape with a stem density of 250 per sq in, this fastening system provides an exceptionally durable fix for internal and external applications where a transparent look is required.

Technical Datasheet (PDF 46.0 KB)