Surface Set Diamond Reamer for Hard Rock
A rotary reamer with natural diamonds set on the surface of the working crown for enlarging and stabilizing boreholes in granite and other hard rock during exploration drilling. Classified in HTS 8207.19.60.65 due to its diamond working parts for earth boring operations. Ideal for core recovery in mineral prospecting.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the bit incorporates PDC cutters rather than surface-set diamonds
PDC (polycrystalline diamond compact) rock drill bits have a separate specific subheading.
If when imported as parts of complete drilling rigs rather than standalone tools
Assembled drill bit components for specific machinery models classify as parts of boring machines.
If for diamond-tipped tools primarily used in metalworking rather than rock
Interchangeable diamond tools for machining metals fall under the general bars and plates heading.
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Import Tips & Compliance
• Provide geological end-use documentation to distinguish from industrial cutting tools and secure proper 8207 classification
• Declare exact diamond carat weight and setting method in entry summary for accurate duty assessment
• Check for anti-dumping duties on Chinese-origin diamond tooling which may apply to this subheading
Related Products under HTS 8207.19.60.65
Diamond Impregnated Polycrystalline Core Drill Bit
A core drill bit featuring polycrystalline diamond (PCD) working elements for rotary drilling into hard rock formations in mining and geological exploration. It falls under HTS 8207.19.60.65 as a rotary rock drill bit with diamond working parts designed for earth boring applications. The diamond tips provide superior durability and penetration rates in abrasive conditions.
11-1/4 Inch Diamond Impregnated Rotary Drill Bit
A 11-1/4 inch diameter rotary percussion drill bit with synthetic diamond impregnation for oilfield and water well drilling in sedimentary rock. HTS 8207.19.60.65 applies as it features diamond working parts for rock drilling and earth boring. Engineered for high ROP (rate of penetration) in challenging formations.
PDC Core Bit with Diamond Gauge Protection
Polycrystalline diamond compact (PDC) core bit featuring diamond-impregnated gauge rings for wear protection during deep coring in quartzite and basalt. Falls under HTS 8207.19.60.65 for rotary core bits with diamond working elements in rock drilling. Provides extended life in highly abrasive conditions.
Matrix Body Diamond Impregnated Drill Bit
Tungsten matrix body drill bit densely impregnated with industrial diamonds for directional drilling in hard formations like sandstone. Classified HTS 8207.19.60.65 as rotary rock bit with diamond working part for earth boring. Superior matrix infiltration ensures diamond retention.
Hybrid PDC and Impregnated Diamond Crown Bit
Hybrid core bit combining PDC cutters on face with diamond impregnation on gauge and water courses for versatile hard rock coring. HTS 8207.19.60.65 applies due to predominant diamond working parts in rotary earth boring tool. Balances penetration speed and durability.
NQ Size Diamond Core Drill Bit
Standard NQ (2.98" core) diamond impregnated bit for wireline coring systems in mineral exploration. Falls under HTS 8207.19.60.65 as rotary core bit with diamond working part for rock drilling. Industry standard for consistent sample recovery.