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.
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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 complete bore gauge instrument assemblies
Complete checking instruments in 9031.80 vs. separate parts in 9031.90.
If plain steel rods without metrology finish
Articles of iron/steel classify by material if not instrument-specific.
Not sure which classification is right?
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Import Tips & Compliance
• Engrave rod diameters/lengths and accuracy tolerances on invoices
• Match rod sets to specific bore gauge brand/models
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.
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.
Starrett Micrometer Thimble Replacement
Precision-ground thimble replacement part for Starrett outside micrometers, essential for accurate readings in dimensional measurement. Classified under HTS 9031.90.91 as an accessory for other measuring or checking instruments in this chapter.