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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If parts not specifically for rock drilling
General interchangeable tools without earth boring function fall outside subheading.
If primarily millstones or grinding wheels
Material focus shifts to abrasive products if not primarily a boring tool.
If base metal parts without cutting edges
Non-cutting components like shanks classify as other parts.
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Import Tips & Compliance
• Include drilling logs or end-use statements confirming rock/earth boring to differentiate from concrete tools
• Ensure 'not for resale as set' declaration if with casings, per statistical notes on sets
• Comply with ISO 9001 for quality marks, often required for survey-grade bits
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.
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.
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.