Holmes® One-Piece Springs

Holmes One-Piece Springs have been manufactured since 1920. Order authentic Holmes One-Piece Springs for your one-piece garage doors from IDC Spring. Holmes One-Piece Springs are the most trusted brand of one-piece garage door springs in the industry. Our knowledgeable staff can help you with all of your one-piece garage door questions. We carry P928, P728, P528, and P328 springs. 

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Available Wire Type:

  • Black Coated

Additional Services:

  • Custom Labels

Available Wire Sizes :

  • .148 – .243

Available Outside Diameters:

  • 1 ¼” 1 5/16″ / 1 5/8″ / 2″ /  2 ½” /  2 ¾”

Standard Applications:

  • One-Piece Tilt Up Garage Doors

Special Applications:

  • Toy Haulers
    • Common Sizes: P728, P528
  • Specialty Gate Operators:
    • Common Sizes: P728, P528, P328

Available End Types


Understanding Part Numbers

Part numbers for one-piece door springs use these codes to indicate End Types, Wire Size, Spring Length, and whether a Connector is included.



Orders are subject to extended lead times due to COVID-19 and related constraints