Digital Drafting Machine Caliper Head
This precision caliper head is a replacement part specifically designed for digital drafting machines classified under HTS 9017.10.40. It features high-accuracy digital readouts for measuring lengths in technical drawings and engineering layouts. As a dedicated accessory, it falls under 9017.90.01.05 per Chapter 90 classification rules for parts of listed instruments.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used as a general precision measuring instrument not tied to drafting machines
Measuring or checking instruments not specifically for Chapter 90 articles classify under 9031 per note 5
If classified as a machine tool accessory rather than drafting instrument part
Fittings for adjusting work on machine tools fall under 8466, outside Chapter 90 scope
If the part incorporates speedometers or revolution counters
Parts for revolution counters and production counters go to 9029, not 9017 accessories
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Import Tips & Compliance
• Verify compatibility with specific 9017.10.40 models via manufacturer specs; provide detailed part diagrams in entry documentation; ensure calibration certificates meet NIST standards to avoid customs holds
Related Products under HTS 9017.90.01.05
Pantograph Tracing Arm Assembly
Replacement tracing arm for mechanical pantographs used in architectural drafting, subheading 9017.10.40. Constructed from lightweight aluminum with precision joints for accurate scale reproduction. Classified as a part of 9017.10.40 instruments under 9017.90.01.05.
Micrometer Replacement Jaws for Drafting Tools
Carbide-tipped replacement jaws for micrometers integrated in hand-held drafting measuring stations (9017.10.40). Provides sub-micron accuracy for technical drawing verification. Falls under parts and accessories of specified subheading 9017.90.01.05.
Protractor Angle Encoder Disc
Optical encoder disc for digital protractors used in drafting machines (9017.10.40). Etched glass disc reads angular positions to 0.01° accuracy. Specific part for listed instruments classifies in 9017.90.01.05.
Drafting Machine Lead Clutch Mechanism
Precision lead clutch assembly for parallel ruling drafting machines (9017.10.40). Maintains constant pencil pressure during straightedge drafting. Mechanical part specific to listed drafting instruments under 9017.90.01.05.
Measuring Tape Retraction Spring
High-tension retraction spring for 10m drafting measuring tapes used in 9017.10.40 instrument sets. Ensures automatic rewind without tape damage. Classifies as part of specified hand measuring instruments.
Slide Rule Cursor Assembly
Magnified cursor window with hairline for precision slide rule calculators (9017.10.40). Acrylic assembly with anti-glare coating for logarithmic calculations. Vintage instrument part under 9017.90.01.05.