| Specification |
Function: Pressed, Buffer, Drive, Restoration, Measurement;
Material: Steel;
Usage: Industrial, Auto, Furniture, Motorcycle, Home Appliance, Printing Machinery;
Load Type: Extension;
Production Process: Cold Roll;
Shape: Cylinder;
Surface Treatment: Carbon Steel;
Testing Method: Random Sample Inspection;
Business Mode: Factory OEM;
Tolerance: GB Standard, Grade II or as Per Your Requirement;
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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: Carbon Steel Overhead 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: Stainless Steel;
Usage: Industrial, Auto, Furniture, Motorcycle, Home Appliance;
Load Type: Tough;
Production Process: Hot Roll;
Shape: Customizable;
Service: Custom Metal Sheet Stamping Parts;
Drawing Format: 2D/3D/CAD/Dwg//Step/Pdf/Igs;
Quality: 100% Full Inspection;
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Function: Buffer;
Material: Stainless Steel;
Usage: Auto;
Load Type: Compression;
Production Process: Cold Roll;
Shape: Cylinder;
Gas: Nitrogen;
Cylinder Diameter: 12/15/18/22/27;
Rod: Chromated;
Surface: Spray Painting for Cylinder, Qpq for Piston Rod;
Tube Finishing: Spray Painting;
Long Life: 10, 000 Cycles Life Time;
Operating Temperature: -25~+80℃(-13~176℉);
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