Precision Aluminum Milling Jig
A custom-machined aluminum jig designed to securely hold metal workpieces during CNC milling operations on machines like vertical machining centers (heading 8459). It features adjustable clamps and locating pins for repeatable positioning, classified under HTS 8466.20.8020 as a work holder jig specifically for metalworking machine tools. This ensures precise alignment and reduces setup time in high-volume production.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If equipped with integrated power-driven clamping mechanisms
Power-operated fixtures fall under 'other special attachments' rather than passive work holders.
If for use with lathes (heading 8458) rather than mills or general metalworking tools
Tool holders specific to lathes are classified separately from general jigs and fixtures.
If designed for semiconductor wafer processing equipment rather than general metalworking
Parts for semiconductor manufacturing machines (per statistical notes) go to Chapter 84 unclassified parts.
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Import Tips & Compliance
• Verify the jig is designed solely for metalworking machine tools (8456-8465) via engineering drawings to avoid misclassification as general tooling
• Include detailed specifications and end-use statements in documentation to confirm principal use with metal machining equipment
Related Products under HTS 8466.20.80.20
Quick-Change Modular Fixturing System
Steel modular fixturing plates and locators with quick-release pins for rapid workpiece changes on machining centers (8459). Classified 8466.20.8020 as jig system for metalworking efficiency. Reduces setup from hours to minutes in job shops.
Steel Welding Fixture for Engine Blocks
Heavy-duty steel fixture with pneumatic clamps to position and secure automotive engine blocks during robotic MIG welding on specialized welding machines (heading 8468, but accessories tie to 8456-65). Classified as a jig under 8466.20.8020 for metalworking due to its role in holding ferrous metal parts precisely. Used in assembly lines for consistent weld quality.
CNC Drilling Jig for Aerospace Titanium Parts
High-precision jig made from tool steel with hardened bushings to guide drills on titanium aerospace components in CNC drilling machines (heading 8459). Falls under HTS 8466.20.8020 as a fixture for metalworking machine tools, enabling hole pattern accuracy within 0.001 inches. Critical for aircraft structural manufacturing.
Modular Vise Fixture for Horizontal Machining Centers
Modular steel vise system with quick-change base plates for holding multiple small metal parts on horizontal machining centers (heading 8459). Classified under 8466.20.8020 as a jig/fixture for metalworking due to its work-holding function in precision machining. Ideal for high-mix, low-volume production.
Custom Steel Clamping Fixture for 5-Axis Mills
Tailored steel fixture with hydraulic clamping for complex 5-axis milling of aluminum die-cast parts on advanced CNC mills (heading 8459). HTS 8466.20.8020 applies as a specialized jig for metalworking machine tools, supporting multi-angle access without repositioning. Used in mold and die production.
Tombstone Fixture for Vertical Turning Lathes
Multi-station tombstone fixture from cast iron to hold large metal rings on vertical turning lathes (heading 8458). Serves as a jig under 8466.20.8020 for efficient metalworking setups, allowing simultaneous operations on multiple faces. Common in heavy industry like wind turbine components.