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8477.90.45.01/Hardened Alloy Steel Barrel Screw for Twin-Screw Extruder/Japan

Hardened Alloy Steel Barrel Screw for Twin-Screw Extruder from Japan

A precision-ground, hardened alloy steel barrel screw for counter-rotating twin-screw extruders used in compounding thermoplastics like polypropylene. Classified under HTS 8477.90.45.01 as a part of plastics processing machinery. Its modular design allows for high-torque plasticizing.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• Include heat treatment certificates (e.g

• hardness ratings > HRC 58) to substantiate plastics-working classification