Center Gauge
30/60-degree center gauge for lathe tool grinding angles and centerline finding. Under HTS 9017.30.80.00 as angle/length measuring gauge.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If toolholder accessories
Parts principally for machine tools classify under 8467.
If drafting protractor style
Pure geometric drawing instruments under 9017.20.
If general workshop accessory
Multipurpose parts not dedicated to Chapter 90 apparatus go to 9033.
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Import Tips & Compliance
• Note multiple angle faces (29°, 60°) and center finder pin
• Material certification (tool steel) aids classification proof
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.