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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If specifically for self-opening dieheads rather than general work holding
Diehead-specific holders have a distinct subprovision from jigs and fixtures.
If when imported as part of a complete motor vehicle assembly system
Vehicle parts and accessories supersede machine tool parts classification.
If principally used with welding or soldering machines (heading 8468) only
Parts for heading 8468 machines may classify there if not principally for 8456-65 tools.
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Import Tips & Compliance
• Provide photos and CAD files showing compatibility only with metalworking machines to substantiate classification
• Label with material composition and machine compatibility to aid CBP review and avoid duties on unrelated tooling
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.
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.
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.