Large Die Spring for Stamping Presses

Rectangular-section helical compression spring from 10 mm round wire equivalent for industrial metal stamping dies. Classified HTS 7320.20.50.45 for helical springs of qualifying wire dimension. Used in high-cycle progressive die applications.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.9%+17.5%21.4%
🇲🇽Mexico3.9%+10.0%13.9%
🇨🇦Canada3.9%+10.0%13.9%
🇩🇪Germany3.9%+10.0%13.9%
🇯🇵Japan3.9%+10.0%13.9%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8207.70.60Higher: 37.9% vs 21.4%

If interchangeable tools for presses

Springs designed as interchangeable tooling for hand/ machine tools classify under Chapter 82.

7320.90.10Higher: 35% vs 21.4%

If coiled but not helical springs

Extension springs without true helical form may fall under coil spring provisions.

8466.94.85Higher: 39.7% vs 21.4%

If parts of metalworking machine tools

Die components including springs for specific machine tools classify under Chapter 84.

Not sure which classification is right?

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Import Tips & Compliance

Include load/deflection curves and cycle life specifications from manufacturer

Color-code per NAAMS standards (red/green for heavy duty) for quick verification

Ensure nested springs are declared separately to avoid set classification

Related Products under HTS 7320.20.50.45

Heavy-Duty Compression Coil Spring for Truck Suspension

This helical spring is made from steel wire with a 7 mm diameter cross-section, designed to absorb shocks in heavy truck suspension systems. It falls under HTS 7320.20.50.45 as a helical spring of iron or steel wire measuring 5.1 mm to 12.7 mm in cross-section. Commonly used in automotive applications for durability under high loads.

Industrial Conveyor Belt Tension Spring

A large helical tension spring from 8 mm wire used to maintain tension in heavy industrial conveyor systems. Classified under HTS 7320.20.50.45 due to its helical construction and wire diameter between 5.1 mm and 12.7 mm. Essential for manufacturing and material handling equipment.

Garage Door Extension Helical Spring

High-tension helical spring made from 6.5 mm steel wire for counterbalancing residential garage doors. It meets HTS 7320.20.50.45 criteria as a helical spring of appropriate wire dimension per Chapter 73 wire notes. Safety cables often paired but classified separately.

Heavy Equipment Seat Suspension Spring

Compression helical spring of 9 mm wire diameter for vibration isolation in construction equipment operator seats. Falls under HTS 7320.20.50.45 as specified helical springs of iron/steel wire in the stated dimension range. Meets Chapter 73 definition of formed wire products.

Forklift Mast Extension Spring

Heavy-duty helical tension spring of 7.5 mm wire for forklift mast chain tensioning systems. Meets HTS 7320.20.50.45 specifications for helical wire springs in dimension range. Critical safety component in materials handling equipment.

Trampoline Safety Enclosure Spring

Galvanized helical compression spring from 6 mm wire connecting trampoline safety enclosure poles to frame. Classified under HTS 7320.20.50.45 as qualifying helical wire spring. Meets ASTM F381 recreational equipment standards.