Of articles of subheading 9017.10.40
Drawing, marking-out or mathematical calculating instruments (for example, drafting machines, pantographs, protractors, drawing sets, slide rules, disc calculators); instruments for measuring length, for use in the hand (for example, measuring rods and tapes, micrometers, calipers), not specified or included elsewhere in this chapter; parts and accessories thereof: > Parts and accessories > Of articles of subheading 9017.10.40
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 9017.90.01.05
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.
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.
Disc Calculator Gear Set
Precision brass gear set for mechanical disc calculators used in engineering computations (9017.10.40). 48-tooth helical gears ensure smooth logarithmic rotation. Specific parts for listed calculating instruments.
Calipers Digital Display Module
LCD display replacement module for electronic vernier calipers in drafting sets (9017.10.40). 0.001mm resolution with absolute encoder interface. Electronic part specific to hand-held measuring instruments.