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Springs and leaves for springs, of iron or steel: > Helical springs: > Other > Helical springs, of wire having a cross-sectional dimension of less than 5.1 mm: > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
Products classified under HTS 7320.20.50.20
Small Automotive Battery Terminal Helical Spring
Helical compression spring of steel wire <5.1 mm diameter for battery clamp terminals in vehicles. Fits HTS 7320.20.5020 as other small-wire helical springs of iron/steel. Provides tension for secure electrical connections.
Double Torsion Helical Spring for Pens
Small double-loop torsion spring of steel wire <5.1 mm for ballpoint pen mechanisms. HTS 7320.20.5020 covers such other helical wire springs under the size limit. Enables click-action retraction.
Guitar Fretboard Adjustment Helical Spring
Helical spring of steel wire under 5.1 mm diameter for truss rod adjustment in electric guitars. Classified HTS 7320.20.5020 as other small wire helical springs. Maintains neck curvature tension.
Toy Mechanism Compression Spring
Small compression helical spring from steel wire <5.1 mm for wind-up toy actions. HTS 7320.20.5020 for other helical wire springs of this size. Powers simple mechanical movements.
Valve Return Helical Spring
Steel wire helical spring <5.1 mm diameter for returning solenoid valves to rest position. Under HTS 7320.20.5020 as other small helical springs. Used in industrial controls.
Clip-On Sunglasses Hinge Spring
Miniature torsion helical spring of steel wire under 5.1 mm for clip-on sunglass flip hinges. HTS 7320.20.5020 covers such small wire helical springs. Provides snap-action retention.
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.
Watch Balance Spring
Precision helical hairspring of steel wire under 5.1 mm for mechanical watch balance wheels. HTS 7320.20.5020 for small wire helical springs. Regulates timekeeping oscillation.
Fishing Reel Bail Spring
Small torsion helical spring of stainless wire <5.1 mm for spinning reel bail return. Under HTS 7320.20.5020 as other helical wire springs. Ensures smooth line pickup.
Laptop Hinge Torsion Spring
Dual torsion helical spring steel wire <5.1 mm diameter for laptop screen hinges. HTS 7320.20.5020 covers small wire helical springs. Provides smooth open/close action.
Medical Syringe Plunger Spring
Helical compression spring wire <5.1 mm for auto-injector syringe plunger return. HTS 7320.20.5020 for small helical steel springs. Assists medication delivery.
Bicycle Brake Lever Return Spring
Small helical tension spring steel wire <5.1 mm for bike brake lever return. Under HTS 7320.20.5020 as other small wire helical springs. Ensures lever reset.
Precision Torsion Helical Spring
Torsion helical spring from steel wire under 5.1 mm cross-section for instrument dials and hinges. Under HTS 7320.20.5020 for other small-wire helical springs of iron/steel. Delivers rotational force in mechanisms.
Stainless Steel Compression Helical Spring
A small helical spring made from stainless steel wire less than 5.1 mm in diameter, designed for compression applications in automotive door handles. It falls under HTS 7320.20.5020 as a helical spring of iron or steel wire with cross-section under 5.1 mm, suitable for mechanical assemblies. Not classified as leaves for springs.
Music Wire Extension Helical Spring
Precision extension spring from high-carbon music wire under 5.1 mm diameter, used in garage door mechanisms. Classified in HTS 7320.20.5020 for helical springs of steel wire with small cross-section, not leaves or coil types. Ideal for tension applications in hardware.