专用于或主要用于品目84.56至84.65所列机器的零件、附件，包括工件或工具的夹具、自启板牙切头、分度头及其他专用于机器的附件；各种手提工具的工具夹具HS编码 8466

Parts & accessories suited for use only/mainly with machines of headings 8456-8465, including work/tool holders, self-opening dieheads, dividing heads & other special attachments for the machines; tool holders for any type of tool for working in the hand