Micrometer Spindle Lock Nut

Precision lock nut for micrometer spindles (9017.20.40), securing position after measurement for transfer or recording. Threaded for exact fit on standard models. Falls under parts for these length-measuring hand tools.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
πŸ‡¨πŸ‡³ChinaFree+35.0%35%
πŸ‡²πŸ‡½MexicoFree+10.0%10%
πŸ‡¨πŸ‡¦CanadaFree+10.0%10%
πŸ‡©πŸ‡ͺGermanyFree+10.0%10%
πŸ‡―πŸ‡΅JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7318.15.20Same rate: 35%

If sold as general threaded fasteners

Chapter 73 for common nuts; specificity required for Chapter 90.

9017.90.01Same rate: 35%

If for non-9017.20.40 instruments like tapes

Subheading specificity dictates .0120 vs .0190 split.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

β€’ Document thread pitch (e.g

β€’ 0.5mm) and material (tool steel) to prove specificity

β€’ Pair with spindle photos to show inseparable design

β€’ Beware AD/CVD on fasteners if undervalued

Related Products under HTS 9017.90.01.20

Digital Micrometer Jaw Replacement Part

Replacement measuring jaws for digital micrometers classified under 9017.20.40, used for precise external dimension measurements in machining and quality control. This part is specifically designed for handheld micrometers, enabling accurate readings up to 0.001mm. It falls under 9017.90.0120 as a dedicated accessory for those instruments.

Micrometer Calibration Standard Rod

Precision ground steel rod used to calibrate micrometers of 9017.20.40 for accurate zero-setting and verification. Essential accessory for maintaining measurement integrity in workshops. Classified here as it is a part/accessory exclusively for those handheld instruments.

Dial Caliper Slide Adjustment Clamp

Adjustable locking clamp for dial caliper slides in 9017.20.40 instruments, ensuring stable measurements during inspections. Anodized aluminum for corrosion resistance. Exclusive accessory for these hand-measuring tools.

Caliper Case Protective Insert

Custom foam insert for protective cases of 9017.20.40 calipers and micrometers, preventing damage during transport. Molded to fit instrument profiles precisely. Accessory enhancing usability of handheld measuring tools.

Measuring Tape Zero-End Adjustment Tool

Specialized tool for resetting zero position on retractable measuring tapes under 9017.20.40. Ensures accuracy after wear. Dedicated maintenance accessory for hand-use length instruments.

Micrometer Stand Mounting Bracket

Adjustable bracket to mount micrometers (9017.20.40) on stands for bench use while retaining hand-tool nature. Enhances stability for fine measurements. Specific accessory for these instruments.