| HS Code | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
|---|---|---|---|---|---|
| 8487900080 | Doc | 83.9% | CN | US | 2025-05-12 |
| 8487900040 | Doc | 58.9% | CN | US | 2025-05-12 |
| 7326908688 | Doc | 82.9% | CN | US | 2025-05-12 |
| 7308400000 | Doc | 80.0% | CN | US | 2025-05-12 |
| 9406900190 | Doc | 82.9% | CN | US | 2025-05-12 |
| 9406900130 | Doc | 82.9% | CN | US | 2025-05-12 |
| 7216500000 | Doc | 30.0% | CN | US | 2025-05-12 |
| 7216990090 | Doc | 55.0% | CN | US | 2025-05-12 |
| 9506116000 | Doc | 37.5% | CN | US | 2025-05-12 |
| 9506994500 | Doc | 40.3% | CN | US | 2025-05-12 |
| 9503000071 | Doc | 30.0% | CN | US | 2025-05-12 |
| 9503000090 | Doc | 30.0% | CN | US | 2025-05-12 |
| 8708998160 | Doc | 57.5% | CN | US | 2025-05-12 |
| 8701911000 | Doc | 55.0% | CN | US | 2025-05-12 |
| 8701915000 | Doc | 55.0% | CN | US | 2025-05-12 |
| 8709900090 | Doc | 55.0% | CN | US | 2025-05-12 |
| 8709190060 | Doc | 55.0% | CN | US | 2025-05-12 |
Skid Kit
A skid kit is a component used in machining and metalworking, primarily designed to protect machine tool components from damage during collisions. It consists of sacrificial elements that absorb the impact force, preventing or minimizing damage to more expensive parts like the machine bed, ballscrews, and spindle.
Material:
- UHMW-PE (Ultra-High Molecular Weight Polyethylene): The most common material due to its high abrasion resistance, low friction, and relatively low cost. It effectively dissipates energy during a crash.
- Delrin (Acetal): Offers higher rigidity than UHMW-PE but is less resistant to abrasion.
- Aluminum: Used in some high-speed applications where faster sliding is required. Less effective at absorbing impact energy than plastics.
Purpose:
The primary purpose of a skid kit is to prevent catastrophic damage to a CNC machine during operator error, programming mistakes, or unexpected events like tool breakage. It acts as a controlled failure point.
Function:
When a collision occurs, the skid kit elements are designed to slide against the machine bed or other fixed components. This sliding action:
- Absorbs Kinetic Energy: The friction generated during sliding dissipates the energy of the impact.
- Reduces Impact Force: By spreading the impact force over a larger area, the stress on critical machine components is minimized.
- Provides a Controlled Stop: The skid kit brings the moving parts to a halt in a more controlled manner, preventing sudden deceleration and potential damage.
Usage Scenarios:
- CNC Milling: Protecting the machine bed and ballscrews from crashes caused by oversized cuts, incorrect toolpaths, or tool breakage.
- CNC Turning: Preventing damage to the machine ways and spindle from tool collisions or work piece interference.
- Rapid Prototyping: Used in machines that frequently run new or untested programs.
- Training Machines: Essential for protecting machines used by inexperienced operators.
Common Types:
- Linear Skid Kits: Designed for linear motion along axes (X, Y, Z). Typically consist of skid plates that slide along rails.
- Rotary Skid Kits: Used on rotary tables and spindles to protect against collisions during rotational movement.
- Full Skid Kits: Provide comprehensive protection for all axes of a machine.
- Partial Skid Kits: Offer protection for specific axes or components.
- Bolt-On Skid Kits: Easily installed and removed using existing mounting points.
- Custom Skid Kits: Designed for specific machine models and applications.
Based on the provided information, determining the precise HS code for "skid kit" requires understanding its composition and intended use. A “skid kit” could potentially fall under several categories depending on its specific components. Here are potential HS codes based on the available data:
- 8708998160: This code covers “Other parts and accessories” for motor vehicles, specifically “Cable traction devices”. If the skid kit primarily consists of cables or cable-based traction components for vehicles, this could be applicable. The total tax rate is 57.5% (基础关税: 2.5%, 加征关税: 25.0%, 2025.4.2后加征关税: 30.0%).
- 8709900090: This code covers “Parts” of works trucks, self-propelled, not fitted with lifting or handling equipment. If the skid kit is designed as a component for such trucks, this could be relevant. The total tax rate is 55.0% (基础关税: 0.0%, 加征关税: 25.0%, 2025.4.2后加征关税: 30.0%).
- 8701911000: This code covers “Other, of an engine power: Not exceeding 18 kW: For agricultural use” tractors. If the skid kit is intended for tractors used in agriculture, this could be applicable. The total tax rate is 55.0% (基础关税: 0.0%, 加征关税: 25.0%, 2025.4.2后加征关税: 30.0%).
- 8701915000: This code covers “Other, of an engine power: Not exceeding 18 kW: Other” tractors. If the skid kit is intended for tractors not specifically for agricultural use, this could be applicable. The total tax rate is 55.0% (基础关税: 0.0%, 加征关税: 25.0%, 2025.4.2后加征关税: 30.0%).
- 8709190060: This code covers “Vehicles: Other Other” works trucks. If the skid kit is a complete works truck, this could be relevant. The total tax rate is 55.0% (基础关税: 0.0%, 加征关税: 25.0%, 2025.4.2后加征关税: 30.0%).
Important Considerations:
- Chapter 87 relates to vehicles and their parts. The specific code within this chapter depends on the type of vehicle the skid kit is intended for.
- Material Verification: Depending on the composition of the skid kit, verification of the materials used may be required.
- Intended Use: The intended use of the skid kit is crucial for accurate classification. If it's for agricultural tractors, codes under 8701 may be more appropriate. If it's for industrial trucks, codes under 8709 may be more suitable.
According to the provided reference material, the HS code options related to 'skid kit' are limited, with only the following 5 found.