Reclosable Fasteners

Image Part Number Description / PDF Quantity Rfq
SJP7401-4-50-WHITE

SJP7401-4-50-WHITE

3M

LOOP WHITE 4" X 50YD X 0.11"

0

70070105450

70070105450

3M

FASTENER SJ3418FR 2 X50YD

0

SJ3418FR WHT 1 3/16

SJ3418FR WHT 1 3/16"X750YD

3M

FASTENER LOOP FLAME RESISTANT

0

SJP7402-5/8-50-BLACK

SJP7402-5/8-50-BLACK

3M

HOOK BLACK 5/8" X 50YD X 0.11"

0

SJA7502-4-50-BLACK

SJA7502-4-50-BLACK

3M

HOOK BLACK 4" X 50YD X 0.12"

0

SJP7401-4-50-BLACK

SJP7401-4-50-BLACK

3M

LOOP BLACK 4" X 50YD X 0.11"

0

SJP7402-5/8-50-WHITE

SJP7402-5/8-50-WHITE

3M

HOOK WHITE 5/8" X 50YD X 0.11"

0

SJA7501-5/8-50-BLACK

SJA7501-5/8-50-BLACK

3M

LOOP BLACK 5/8" X 50YD X 0.12"

0

SJA75014-50-WHITE

SJA75014-50-WHITE

3M

LOOP WHITE 4" X 50YD X 0.12"

0

Reclosable Fasteners

1. Overview

Reclosable fasteners are mechanical components designed to repeatedly secure and release connections without compromising structural integrity. They play a critical role in modern engineering by enabling efficient assembly/disassembly, reducing maintenance time, and enhancing product longevity. These fasteners are widely used across industries where temporary yet reliable joining solutions are required.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Velcro/Hook-and-LoopInterlocking hooks and loops for adjustable tensionStrap systems, cable management
Plastic Snap FastenersPress-fit design with audible click feedbackElectronic enclosures, automotive interiors
Magnetic ClosuresPermanent magnets for instant attachmentSmartphone cases, medical device covers
Toggle ClampsLever-actuated mechanical locking mechanismIndustrial equipment access panels
Ratchet Latch SystemsIndexed toothed wheel for progressive tighteningTruck bed covers, heavy machinery doors

3. Structure and Components

Typical reclosable fasteners consist of: - Mating Surfaces: Textured or geometric interfaces (e.g., hooks, loops, ridges) - Elastic Elements: Integral springs or flexible beams for retention force - Base Material: Reinforced polymers, stainless steel, or aluminum alloys - Surface Treatment: Anti-corrosion coatings or friction-enhancing textures

4. Key Technical Parameters

ParameterSignificanceTypical Range
Engagement ForceRequired effort to connect components0.5-50N
Shear Load CapacityLateral force resistance50-2000N
Temperature RangeOperational thermal limits-40 C to 150 C
Cycle LifeNumber of functional open/close cycles1,000-100,000+
Corrosion ResistanceDurability in harsh environmentsGrade 1-5 (ASTM B117)

5. Application Fields

Primary industries include: - Automotive: Door latches, interior trim panels - Aerospace: Avionics bay access, cargo restraint systems - Electronics: Server rack fasteners, wearable device closures - Medical: Sterilizable equipment panels, patient monitoring straps - Consumer Goods: Luggage closures, footwear fastening systems

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
3MScotchmate Reclosable FastenersMicrometric bonding technology
YKKMAGNETIC CLOSURE SYSTEMNeodymium magnet integration
Thomas & BettsSurgeGrip Reusable Cable ClampsVibration-resistant ratchet design
Ilan IndustriesPlastic Snap Fasteners 8200 SeriesMulti-directional flexibility

7. Selection Guidelines

Key considerations: - Environmental exposure (chemicals, UV, moisture) - Required engagement/disengagement frequency - Space constraints and installation orientation - Load requirements (static vs dynamic) - Regulatory compliance (flammability, FDA)

8. Industry Trends

Emerging developments include: - Bio-based polymer materials for sustainability - Smart fasteners with embedded strain sensors - Additive manufacturing for custom geometries - Nanocoatings for improved wear resistance - Miniaturization for microelectronics applications

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