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Home Product Φ3.5*8 Micro Coil Spring | Everbilt Precision Series | High-Strength Compression Spring for Medical Devices
Punch Head Copper Rivet Φ3.5*8

Φ3.5*8 Micro Coil Spring | Everbilt Precision Series | High-Strength Compression Spring for Medical Devices

Φ3.5x8 Compression Spring
3.5mm Precision Coil Spring
High-Tension Φ3.5x8mm
Φ3.5*8
Φ3.5x8 Compression Spring, 3.5mm Precision Coil Spring, High-Tension Φ3.5x8mm. Designed for heavy-load applications in industrial machinery, automotive assemblies, and mechanical systems. Durable construction with optimized compression resistance.
Categories:Fasteners & Fixings
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Product Description

The Φ3.5x8 Compression Spring is a 3.5mm Precision Coil Spring engineered for high-tension applications with 8mm free length and 3.5mm outer diameter. Fabricated from high-carbon steel or stainless steel, it operates within a temperature range of -30°C to +120°C and delivers axial compression forces up to 25N. Designed for direct integration into precision assemblies, it supports modular connections with mating components through its standardized dimensions. The High-Tension Φ3.5x8mm variant features tightly wound coils with optimized pitch for consistent load distribution and minimal creep deformation. Key applications include micro-mechanical systems, automotive actuators, and industrial valve mechanisms. Notable advantages include exceptional fatigue resistance (500,000+ cycles), corrosion-resistant finishes, and ±0.05mm diameter tolerance. Limitations involve specialized installation requirements for optimal force alignment and restricted lateral deflection capacity.
Parameter Specification
Product Model Φ3.5x8 Compression Spring
Outer Diameter 3.5 mm ±0.05mm
Wire Diameter 1.0 mm ±0.02mm
Free Length 8.0 mm ±0.1mm
Material Stainless Steel 304 / ASTM A313
Spring Rate 3.8 N/mm ±5%
Max Load 28 N
Working Temperature -30°C to +120°C
Surface Treatment Passivated/Electroplated
End Type Closed & Ground Ends
Applications Electronics, Automotive Mechanisms, Precision Devices
question:Why can other suppliers find and provide discontinued models that you cannot offer?
answer:They may have remaining stock or use alternatives. We ensure authenticity and only source verified new products.
question:Does your company provide technical selection services?
answer:Yes, our expert team assists in model selection based on your requirements and specifications to ensure compatibility.
question:What is the warranty coverage?
answer:Warranty covers defects in materials or workmanship, offering repair or replacement within the specified period.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Why can other suppliers find and provide discontinued models that you cannot offer?
answer:They may have remaining stock or use alternatives. We ensure authenticity and only source verified new products.
question:Does your company provide technical selection services?
answer:Yes, our expert team assists in model selection based on your requirements and specifications to ensure compatibility.
question:What is the warranty coverage?
answer:Warranty covers defects in materials or workmanship, offering repair or replacement within the specified period.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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