Tungsten Carbide Tricone Drill Bit
A three-cone roller bit with tungsten carbide inserts containing over 0.2% tungsten by weight, used for earth boring in mining and construction. Classified under HTS 8207.19.30 for its high-alloy cutting edges that provide superior hardness against abrasive rock. Ideal for rotary drilling in soft to medium formations.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If no alloying elements exceed the specified percentages
Plain rock drilling tools without high chromium, molybdenum, etc., go to the base subheading.
If designed primarily for metalworking machine-tools
Earth boring specificity determines heading; metal machining tools are separate.
If for coal-cutting or tunnel boring machine parts
Specialized mining machinery parts have distinct classifications outside general rock tools.
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Import Tips & Compliance
• Provide metallurgical analysis reports proving tungsten content to justify alloyed classification
• Avoid bundling with non-tool parts; ship as individual bits to prevent set classification issues
• Check for IADC code labeling, common for tricone bits, to support rock drilling end-use
Related Products under HTS 8207.19.30
High-Vanadium PDC Drill Bit
A polycrystalline diamond compact (PDC) drill bit designed for rock drilling in oil and gas exploration, featuring a cutting edge with over 0.1% vanadium by weight for enhanced durability and wear resistance. This tool falls under HTS 8207.19.30 due to its specialized alloy composition in the cutting part, optimized for hard rock formations. It is used with rotary drilling rigs for deep well boring.
Chromium-Alloyed Core Drill Bit
A diamond-impregnated core barrel bit with cutting matrix over 0.2% chromium by weight, for sampling hard rock in geological surveys. HTS 8207.19.30 applies due to the alloyed cutting part enhancing heat and wear resistance. Used in wireline coring systems for precise earth boring.
Molybdenum-Enhanced DTH Hammer Bit
Down-the-hole (DTH) hammer drill bit with molybdenum-alloyed (over 0.2%) tungsten carbide buttons for percussion drilling in quarrying. Falls under HTS 8207.19.30 for the high-alloy cutting part providing impact toughness. Suited for hard rock blasting hole creation.
Vanadium-Steel Auger Bit for Earth Boring
Helical auger drill bit made from high-vanadium steel (>0.1%) for soil and soft rock boring in foundation work. HTS 8207.19.30 classification due to alloyed cutting edges for extended life in abrasive earth. Compatible with skid-steer or excavator mounts.
High-Chrome Rock Chisel Bit
Pneumatic jackhammer chisel with over 0.2% chromium cutting tip for rock breaking in tunneling. Under HTS 8207.19.30 for alloy composition improving fracture resistance. Used in demolition and mining earth boring operations.
Tungsten-Tipped HDD Drill Head
Horizontal directional drilling (HDD) head with tungsten-alloyed (>0.2%) cutters for underground utility boring through rock. HTS 8207.19.30 due to specialized cutting part for soil/rock penetration. Essential for trenchless installation.