Company News
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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...Read more -
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...Read more