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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for use with non-handheld measuring instruments
Parts for other length-measuring devices in 9031 classify there, as chapter notes direct parts to their principal machine heading.
If imported in bulk without micrometer-specific packaging
Lacks specificity to 9017 instruments, defaults to Chapter 73 for other steel articles.
If for parts of other 9017 instruments, not specifically 9017.20.40
9017.90 splits by specific subheading; non-9017.20.40 parts go to .0190.
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
• Provide NIST-traceable calibration certificates to prove metrological purpose and avoid bulk metal rod classification
• Declare exact tolerances (e.g
• +/-0.0001 inch) in entry docs to substantiate as a specialized accessory
• Avoid pitfall of undervaluing; calibration standards often scrutinized for anti-dumping in precision steel
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.
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.
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.
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.