Exercise Machine Resistance Spring
Progressive rate helical compression spring of 9.5 mm wire for commercial gym leg press machines. Meets HTS 7320.20.50.45 for specified helical steel wire springs. Provides variable resistance training 100-800 lbs.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If gymnasium/exercise equipment parts
Fitness machines with integral springs classify under physical exercise articles.
If steel articles forged/cast
If perceived as cast rather than formed wire spring.
If massage appliances
Resistance springs in therapeutic exercise devices may classify differently.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Comply with ASTM F2276/2277 standards for strength training equipment
• Load/deflection charts required to verify progressive rate design
• Protective plastic coating specs needed for user safety certification
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