With cutting part containing by weight over 0.2 percent of chromium, molybdenum, or tungsten or over 0.1 percent of vanadium
Interchangeable tools for handtools, whether or not power operated, or for machine-tools (for example, for pressing, stamping, punching, tapping, threading, drilling, boring, broaching, milling, turning or screwdriving), including dies for drawing or extruding metal, and rock drilling or earth boring tools; base metal parts thereof: > Rock drilling or earth boring tools, and parts thereof: > Other, including parts: > With cutting part containing by weight over 0.2 percent of chromium, molybdenum, or tungsten or over 0.1 percent of vanadium
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Subheadings
Products classified 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.
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.
Moly-Vanadium Crosscut Bit
Cross-cut rock drill bit alloyed with molybdenum and vanadium exceeding thresholds for longwall mining. Classified HTS 8207.19.30 for cutting part metallurgy suited to coal measure rock boring. Enhances penetration rates in underground ops.
Vanadium Carbide Button Bit
Threaded button bit with vanadium-enhanced carbide inserts (>0.1% V) for top hammer rock drills in open-pit mining. HTS 8207.19.30 for alloyed wear surfaces in earth boring. Provides high impact resistance.
Chrome-Moly Reaming Bit
Pilot reamer bit with chrome-moly alloy (>0.2% each) cutting teeth for enlarging rock boreholes in geothermal drilling. Under HTS 8207.19.30 for high-strength cutting part in earth boring applications. Tolerates high temperatures.
Tungsten-V Alloyed Hole Opener
Rock hole opener with tungsten-vanadium alloyed wings (>0.2% W, >0.1% V) for widening blast holes in quarries. HTS 8207.19.30 classification for premium cutting metallurgy in earth boring. Increases hole diameter efficiently.
High-V Rotary Drag Bit
Drag-style rotary bit with high-vanadium steel blades (>0.1%) for soft rock formations in water well drilling. Falls under HTS 8207.19.30 for alloyed cutting resistance in earth boring. Low torque design.
Molybdenum Rock Roller Cone
Single roller cone insert with molybdenum alloy (>0.2%) for custom rock drilling assemblies. HTS 8207.19.30 due to cutting part composition for abrasive earth. Replaceable in tricone systems.
Chromium-V Shank Adapter Bit
Shank adapter with integrated Cr-V cutting nose (>0.2% Cr, >0.1% V) for extension rock drilling. Classified HTS 8207.19.30 for alloyed earth boring cutting part. Bridges drill and extension rods.
Tungsten Heavy Duty Crown Bit
Impregnated crown bit with tungsten matrix (>0.2%) for ultra-hard rock coring in exploration drilling. HTS 8207.19.30 for high tungsten cutting impregnation in earth boring tools. Extreme durability.