Turbine Blade Root Fixtures from Japan
Specialized fixtures and locking hardware securing turbine blade roots in rotor disks of non-aircraft gas turbines. High-strength alloys preventing blade release under centrifugal loads. HTS 8411.91.90.40 includes these retention parts.
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%
Import Tips
• Include blade root form factor and retention force calculations
• Specify disk slot interface dimensions and material pairing requirements
• Avoid classification as fasteners under 7318 by proving integrated retention design