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3M™ Dual Lock™ Reclosable Fastener SJ3870

Original price was: £0.30.Current price is: £0.19.

Product Overview

High-performance industrial-grade reclosable fasteners designed for applications requiring secure yet removable attachment solutions. These 19mm diameter Dual Lock coins feature a mushroom-shaped stem design that provides reliable, positive locking with an audible “snap” when engaged.

Ordering Information

  • Minimum Order Quantity: 2,000 coins
  • Price: £0.19 per coin (excluding VAT)
  • Packaging: Bagged in quantities of 2,000
  • Diameter: 19mm

Key Features

  • Positive Locking System: Interlocking mushroom-shaped caps provide strong, reliable fastening
  • Modified Acrylic Adhesive: Specially formulated for low surface energy substrates
  • Audible Engagement: Distinct “snap” sound confirms proper connection
  • High Cycle Life: Up to 1,000 openings and closings before losing 50% of original strength
  • Red Easy-Peel Release Liner: Simplifies application process
  • 39 Stems/cm²: Optimal stem density for excellent holding power

Applications

  • Panel mounting
  • Signage and display systems
  • Removable interior components
  • Equipment attachment
  • Access panels and covers
  • Temporary fixture mounting

Description

Product Overview

High-performance industrial-grade reclosable fasteners designed for applications requiring secure yet removable attachment solutions. These 19mm diameter Dual Lock coins feature a mushroom-shaped stem design that provides reliable, positive locking with an audible “snap” when engaged.

Key Features

  • Positive Locking System: Interlocking mushroom-shaped caps provide strong, reliable fastening
  • Modified Acrylic Adhesive: Specially formulated for low surface energy substrates
  • Audible Engagement: Distinct “snap” sound confirms proper connection
  • High Cycle Life: Up to 1,000 openings and closings before losing 50% of original strength
  • Red Easy-Peel Release Liner: Simplifies application process
  • 39 Stems/cm²: Optimal stem density for excellent holding power

Applications

  • Panel mounting
  • Signage and display systems
  • Removable interior components
  • Equipment attachment
  • Access panels and covers
  • Temporary fixture mounting

Technical Specifications

  • Color: Black
  • Stem Density: 39 stems/cm²
  • Thickness: 3.71mm
  • Engaged Thickness: 6.15mm
  • Temperature Resistance: Up to 60°C (long term)
  • Adhesive Type: Modified Acrylic (Grey) for low surface energy surfaces
  • Cycle Life: 1,000 closures

Advantages Over Mechanical Fasteners

  • No visible fasteners – clean aesthetic appearance
  • Distributes stress evenly across the fastening area
  • Effectively dampens vibration and noise
  • No drilling required – maintains substrate integrity
  • Quick and easy installation
  • Allows for misalignment during assembly

Ordering Information

  • Minimum Order Quantity: 2,000 coins
  • Price: £0.25 per coin (excluding VAT)
  • Packaging: Bagged in quantities of 2,000
  • Diameter: 19mm

Storage Recommendations

Store under normal conditions of 16° to 27°C (60° to 80°F) and 40-60% relative humidity in original packaging, away from direct sunlight. For optimal performance, use within 24 months of manufacture date.


For custom quantities, bulk pricing, or application assistance, please contact our sales team.