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  • Different  surface Introduction of the Garage Door Torsion spring

    Different surface Introduction of the Garage Door Torsion spring

    Spring Coatings, Spring Diameter, Square Wire Round Wire Torsion: Oil tempered wire •ASTM A229 Class II Wire •Heat-treated for stress relief •Ideal for overhead door applications Round Wire Coated •ASTM A229 Class II Wire •Heat-treated for stress relief •Black coated wire provides resistance to c...
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  • Basic Spring Conversions

    Basic Spring Conversions

    A basic operation carried out on-site is replacing garage door springs. To properly swap a damaged spring, the replacement must be as close to the dimensions of the original as possible. Accurately converting one spring’s dimensions to another is called spring conversion. Calculation of conversi...
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