On May 28, 2020, Ukraine released a preliminary affirmative determination regarding the AD duty on China-made steel fasteners including screws, bolts and nuts in accordance with the resolution stated in AD-447/2020/4411-03. 

Effective from the date of the announcement for a period of 4 months, a temporary 19.75% AD tax will be imposed on fasteners including Ukraine-HS codes 7318156990, 7318158190, 7318158990, 7318159090, 7318169190 and 7318169990.
 
Ukraine initiated this AD investigation on steel fasteners originated in China on December 7, 2019.

Source: Fastener World