Door Closer Arm Helical Spring
Helical tension spring from wire <5.1 mm diameter for commercial door closer arms. Fits HTS 7320.20.5020 for other small-wire helical steel springs. Controls door swing speed.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If base metal mounts for doors
Door closer complete units under Chapter 83 fittings.
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Import Tips & Compliance
• Building code compliance separate
• Load ratings for customs valuation
• Arm assemblies different classification
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