Beam Compass Extension Set
Metal beam bars and extension joints for converting standard compasses into large-radius drawing tools up to 48 inches. Classified in HTS 9017.20.80 as drawing accessories dedicated to compass functionality. Essential for shipbuilding and large-scale architectural drafting.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If designed for machine tool workholding rather than hand drafting
Precision bars for CNC or milling machines classify with Chapter 84 machine tool fittings, not hand instruments
If sold as universal accessory compatible with measuring tools broadly
Parts suitable for multiple Chapter 90 instruments fall under residual parts heading per Note 2(c)
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Import Tips & Compliance
• Prove compatibility solely with drawing compasses via technical specs to avoid parts classification
• Weight declarations critical for large metal sets potentially triggering Section XV review
• Include end-use statements confirming drafting applications, not machine tool use (excluded by Chapter Note 1(g))
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Engineer’s Precision Drafting Compass
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Professional Architect’s Protractor Set
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Slide Rule Log-Log Engineering Calculator
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Drafting Dividers with Replacement Points
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French Curve Template Set
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