Sandvik RH55 Hollow Drill Rod 3m
Sandvik RH55 hollow drill rod, 3 meters long, made from proprietary alloy steel for hydraulic rock drills. Classified in HTS 7228.80.00.00 for its role as hollow drill bars in tunneling and underground mining. Internal rifling enhances drilling fluid flow.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If standard drill pipe without hollow bar specs
Non-alloy steel hollow bars for drilling may go to 7304.19 if not alloy.
If razor blade steel per note (d), though atypical
Razor blade steel compositions, even hollow, classify separately in 7228.40.
If cast or forged, not hot-rolled
Cast/forged hollow drill bars shift to articles of 7325.
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Import Tips & Compliance
• Include rifling/wall thickness specs distinguishing from standard mechanical tubing
• Verify no universal mill plate features (note b) that might redirect to flat-rolled headings
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