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Diamond Core Bit Crown Replacement from Japan

Replaceable diamond core bit crown with tungsten carbide matrix (over 0.2% tungsten) for field re-tipping of worn bits. Classified under HTS 8207.19.30.60 as core bit components with specified alloys. Extends bit life in remote drilling sites.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

Classify as complete crowns, not parts, when ready for bit attachment

Include compatibility specs for major bit shanks

Material certs for tungsten content verification

Diamond Core Bit Crown Replacement from Japan — Import Duty Rate | HTS 8207.19.30.60