Thread Pitch Gauge Leaf Set
Steel leaf set for verifying thread pitch and profile in manufacturing quality control. HTS 9031.90.91 applies as accessories for other measuring or checking appliances.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If when imported as complete thread checking gauges
Complete other measuring/checking instruments classify in 9031.80, parts in 9031.90.
If basic stamped steel blanks without metrology graduations
Plain metal articles classify by material per note 1(f), not as instrument parts.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• List metric/imperial pitch specifications covered by each leaf
• Classify as complete gauge if blades are permanently assembled
Related Products under HTS 9031.90.91
Test Indicator Contact Point Set
Carbide contact point set for test indicators measuring perpendicularity and alignment. Under HTS 9031.90.91 for other measuring instrument parts.
Radius Gauge Set
Precision fillet and radius gauge set (1/32" to 1") for contour inspection. HTS 9031.90.91 as accessories for profile checking.
Gage Block Accessory Wringing Rack
Stainless steel wringing rack for organizing and cleaning gage blocks in calibration labs. Classified HTS 9031.90.91 as measuring instrument accessories.
Feeler Gauge Strip Assortment
Metric feeler gauge strip set (0.02-1.00mm) for clearance and gap measurements. Classified HTS 9031.90.91 as checking instrument accessories.
Bore Gauge Extension Rod Set
Precision ground extension rods for inside bore micrometers and gauges up to 12 inches. HTS 9031.90.91 covers such measuring instrument accessories.
Mitutoyo Digital Caliper Sensor Assembly
This sensor assembly is a replacement part for Mitutoyo digital calipers used in precision measurement of lengths and diameters. It falls under HTS 9031.90.91 as a part of measuring instruments not specified elsewhere in Chapter 90, specifically for other parts and accessories of checking appliances.