Of articles of subheading 9017.30.80
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 9017.30.80
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 9017.90.01.50
Digital Micrometer Replacement Jaws
Precision-machined replacement jaws for digital micrometers used in subheading 9017.30.80, designed for accurate measurement of small dimensions in hand-held applications. These parts are specifically compatible with electronic micrometers for length measurement, excluding those classified elsewhere in Chapter 90. They fall under 9017.90.0150 as dedicated accessories for instruments in 9017.30.80.
Vernier Caliper Adjustment Rack
Adjustable rack mechanism for vernier calipers classified under 9017.30.80, enabling precise zero-setting and calibration in hand-held length measurement. This accessory is integral to maintaining accuracy in mechanical calipers for engineering and inspection tasks. Classified in 9017.90.0150 as a part specific to 9017.30.80 instruments.
Electronic Measuring Tape Case Assembly
Protective case and retraction assembly for electronic measuring tapes in 9017.30.80, featuring integrated blade guides and battery compartments for hand-held length measurement. This part ensures durability and functionality in field applications like construction surveying. Falls under 9017.90.0150 as an accessory dedicated to 9017.30.80 instruments.
Dial Indicator Mounting Bracket
Precision aluminum bracket for mounting dial indicators (9017.30.80) on magnetic bases or fixtures for hand-held comparative measurement. Allows stable positioning during inspection without being a machine tool accessory. Classified as 9017.90.0150 part due to exclusive compatibility with subheading 9017.30.80 instruments.
Micrometer Calibration Standard Rod
High-precision gauge block rod designed exclusively for calibrating micrometers in 9017.30.80, made from hardened steel with NIST-traceable tolerances. Used in hand-held verification processes for dimensional accuracy. Qualifies under 9017.90.0150 as a specialized accessory for these instruments.
Caliper Depth Gauge Extension
Interchangeable extension rods for vernier/digital caliper depth measurement capability under 9017.30.80. Precision-ground stainless steel for accessing recessed dimensions in hand-held use. Dedicated part for 9017.30.80 classified in 9017.90.0150.
Measuring Tape Blade Replacement
Fiberglass or steel blade insert for electronic/mechanical measuring tapes (9017.30.80), with printed graduations and end hook assembly. Designed for hand-held length measurement replacement in construction and surveying. 9017.90.0150 part for subheading 9017.30.80.
Dial Caliper Bezel Ring
Rotatable bezel ring for dial calipers (9017.30.80) enabling zero adjustment and reading alignment in precision hand measurement. Machined from brass or composite for durability. Accessory part under HTS 9017.90.0150.
Precision Caliper Spring Assembly
Constant force spring mechanism for maintaining jaw pressure in 9017.30.80 calipers, ensuring consistent measurement force in hand-held use. Stainless steel construction for corrosion resistance. Specific part for 9017.90.0150.
Micrometer Thimble Sleeve
Engraved thimble sleeve replacement for outside micrometers (9017.30.80), providing circumferential scale reading for precise hand-held measurement. Hardened steel with satin chrome finish. Part classified 9017.90.0150.
Hand Caliper Jaw Covers
Protective carbide-tipped jaw covers for vernier calipers (9017.30.80), enhancing grip on delicate surfaces during hand-held measurement. Replaceable inserts for extended instrument life. 9017.90.0150 accessory.
Digital Indicator Battery Compartment
Sealed battery housing assembly for digital dial indicators (9017.30.80), with contact springs and O-ring seals for hand-held metrology. Ensures power reliability in inspection environments. Specific part under 9017.90.0150.
Tape Measure End Hook Assembly
Movable end hook with rivet assembly for self-correcting zero on measuring tapes (9017.30.80), critical for accurate hand-held length measurement inside/outside. Zinc die-cast for durability. 9017.90.0150 part.
Caliper Thumb Roller
Ergonomic thumb wheel/roller for smooth jaw adjustment on vernier and dial calipers (9017.30.80). Delrin or knurled metal for hand-held precision control. Essential operating part classified 9017.90.0150.
Micrometer Ratchet Stop
Ratchet thimble stop mechanism for consistent measuring force on 9017.30.80 micrometers, preventing over-tightening in hand use. Spring-loaded for repeatable pressure. Precision part for HTS 9017.90.0150.