| Specification |
Function: Pressed, Phonation, Buffer, Drive, Restoration, Measurement;
Material: Steel;
Usage: Industrial, Auto, Furniture, Motorcycle, Home Appliance;
Load Type: Compression;
Production Process: Hot Roll;
Shape: Coil;
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Function: Sectional Door Spring;
Material: High Carbon Steel;
Usage: Industrial, Home Appliance;
Load Type: Torsion;
Production Process: Hot Roll;
Shape: Waved;
Used Material: 72b. 82b. 60si2mn;
Working Lifespan: 10 Years Warranty;
Inner Diamater: 1-3/4", 2", 2-5/8";
Surface Treatment: Oil Tempered, Galvanized, Powder, Electrophoresis;
Spring Fitter: 1-3/4", 2", 2-5/8";
Type: Torsion Spring, Extension Spring;
Productivity: 5000 Paris Per Week;
Direction: Left Hand & Right Hand;
Customization: Available;
Lead Time: 15 Days for a Container;
Quality Control: Spring Fatigue Testing;
Package: Inner: Plastic Waterproof Film; External: Crate;
Sample: Available;
Spring Fitter Material: Aluminum Alloy;
Product Name: China High Quality Garage Door Torsion Spring;
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Function: Sectional Door Spring;
Material: High Carbon Steel;
Usage: Industrial, Home Appliance;
Load Type: Torsion;
Production Process: Hot Roll;
Shape: Waved;
Used Material: 72b. 82b. 60si2mn;
Working Lifespan: 10 Years Warranty;
Inner Diamater: 1-3/4", 2", 2-5/8";
Surface Treatment: Oil Tempered, Galvanized, Powder, Electrophoresis;
Spring Fitter: 1-3/4", 2", 2-5/8";
Type: Torsion Spring, Extension Spring;
Productivity: 5000 Paris Per Week;
Direction: Left Hand & Right Hand;
Customization: Available;
Lead Time: 15 Days for a Container;
Quality Control: Spring Fatigue Testing;
Package: Inner: Plastic Waterproof Film; External: Crate;
Sample: Available;
Spring Fitter Material: Aluminum Alloy;
Product Name: China High Quality Garage Door Torsion Spring;
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Function: Pressed, Phonation, Buffer, Drive, Restoration, Measurement;
Material: Steel;
Usage: Industrial, Auto, Furniture, Motorcycle, Home Appliance;
Load Type: Compression;
Production Process: Hot Roll;
Shape: Cylinder;
Certifications: ISO9001, RoHS, SGS, IATF16949;
Material Hardness: 45-50 HRC or as Per Request;
Surface Treatment: Zinc/Nickel/Chrome/Powder Coating or Customized;
Material Capabilities: Aluminum, Copper, Brass, Stainless Steel, Steel;
Color: Customized Color;
Service: Customize ODM OEM;
Style: Spiral/Waved/Coil/Cylinder;
Application Area: Industrial, Industrial/Automobile /Car /Furniture;
Quality Control: 100% Inspection;
Size: 0.01-20mm;
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Function: Pressed, Phonation, Buffer, Drive, Restoration, Measurement;
Material: Steel;
Usage: Industrial, Auto, Furniture, Motorcycle, Home Appliance;
Load Type: Compression;
Production Process: Hot Roll;
Shape: Cylinder;
Certifications: ISO9001, RoHS, SGS, IATF16949;
Material Hardness: 45-50 HRC or as Per Request;
Surface Treatment: Zinc/Nickel/Chrome/Powder Coating or Customized;
Material Capabilities: Aluminum, Copper, Brass, Stainless Steel, Steel;
Color: Customized Color;
Service: Customize ODM OEM;
Style: Spiral/Waved/Coil/Cylinder;
Application Area: Industrial, Industrial/Automobile /Car /Furniture;
Quality Control: 100% Inspection;
Size: 0.01-20mm;
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