Halco 400 Series DTH Hammer Bit
Halco 400 Series down-the-hole (DTH) percussion rock drill bit for 4-inch hammers in water well and mining applications. Convex gauge buttons with tungsten carbide over 0.2% provide face cleaning and stability. HTS 8207.19.3030 applies to its percussion design and alloyed cutting part.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If non-alloyed cutting edges
Lack of minimum chromium/molybdenum/tungsten/vanadium content moves to other subheading.
If other drilling rigs and parts thereof
DTH bits integral to boring rigs may classify under 8430 if not interchangeable tools.
If as bit blanks for further manufacturing
Unfinished shanks or bodies without qualified cutting parts are base metal components.
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Import Tips & Compliance
• Certify as 'DTH percussion type' vs rotary to prevent misclassification; common issue with mixed shipments
• Provide drilling speed specs for end-use verification
• Ensure no contamination with heading 8215 articles
Related Products under HTS 8207.19.30.30
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Element Six Secoroc Rockway 76 Bit
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Robit Rockrider R110 Percussion Bit
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