Radius Gauge Set
Heat-treated steel gauge blades for checking 1/32-1in radii and fillets on machined parts. Classified HTS 9017.30.80.00 as contour/length verification gauges.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If includes angle templates
Drawing sets with geometric templates classify under 9017.20.
If optical profile tracers
Machines for contour measurement exclude to 9031 per note 4.
If without precision graduations
Imperfectly finished steel shapes classify by material heading.
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Import Tips & Compliance
• Specify internal/external blade sets and tolerance grades
• Rust-preventive oil noted to differentiate from plain stampings
• Avoid grouping with protractors; pure radius measurers stay 'gauges'
Related Products under HTS 9017.30.80.00
Plastigage Strip
Color-coded plastic crush gauge strips (0.0005-0.010in) for bearing clearance measurement. HTS 9017.30.80.00 as specialized length/compression gauge.
Pitch Diameter Go/No-Go Gauge
Thread plug gauge for 1/4-20 UNC go/no-go pitch diameter verification. HTS 9017.30.80.00 for precision thread length gauges.
Digital Vernier Caliper
A handheld precision measuring tool with digital readout for accurately measuring internal, external, and depth dimensions up to 6 inches. Classified under HTS 9017.30.80.00 as 'other' micrometers, calipers, and gauges for manual length measurement in workshops and labs, distinct from automated instruments elsewhere in Chapter 90.
Taper Gauge
Graduated tapered steel pins (1/32-1/2in range) for quick hole ID in sheet metal work. HTS 9017.30.80.00 as handheld variable length gauge.
Outside Micrometer Set
A set of three precision micrometers (0-1in, 1-2in, 2-3in) with ratchet thimbles for external diameter measurements to 0.0001in accuracy. Falls under HTS 9017.30.80.00 as handheld 'other' micrometers for manual use, not specified elsewhere like optical comparators.
Dial Indicator Gauge
A mechanical dial gauge with 0.0005in resolution and continuous dial for measuring surface flatness and runout on lathes. HTS 9017.30.80.00 applies to this handheld comparator-style gauge as 'other' for manual length verification.