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Black Coated

  • Garage door spring with square wire

    Garage door spring with square wire

    It is our pleasure to introduce our remarkable product – Square Wire Springs to customers all over the world. As the only square wire spring manufacturer in China, we are very proud of launching this innovative high quality product.

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  • 2“ID High Quality Garage Door Torsion spring

    2“ID High Quality Garage Door Torsion spring

    • HIGH QUALITY :
    • Made of heat-treated professional spring steel coils with aluminum cones to make sure they are extremely heavy duty.
    • The latest electrophoretic coating technology provide excellent corrosion proof performance and superior abrasion proof performance.
    • Salt spray tests up to 300 Hours, and Minimum 16,000 Cycles.
    • NEVER need to lubricate the spring, keep hands clean during installation
    Product name Garage Door Torsion spring
    Material ASTM A229 (82B)
    Wire size 0.207/0.218/0.225/0.250/0.262/0.273/0.283/0.295
    Inner Diameter 1 3/4”, 2”, 2 5/8”, 3 3/4”，5 1/4”, 6”
    Finished Oil Tempered /Galvanized /Black coated
    Package Wooden Case /Crate Boxes
    Certificate ISO9001：2008
    Capicity 1000 Ton /Per month
    Life Cycles 1000-17000 Times
    Usage Residential Sectional Garage Doors/Commercial Sectional Overhead Doors
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  • Black Overhead Garage Door Torsion Spring

    Black Overhead Garage Door Torsion Spring

    As the newest of torsion spring options, Powder coated-baked gloss finish wire springs provides optimal resistance to corrosion; ideal for high humidity applications . Many customers like the coated garage door torsion spring for its visual appeal, strength and clean surface, Clean appearance-minimize oily handprint on the door when installing.

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