I.S. EN ISO 7050:2011现行
Cross-recessed Countersunk (flat) Head Tapping Screws
出版：National Standards Authority of Ireland
专家解读视频
Describes the characteristics of cross-recessed pan head tapping screws with thread sizes from ST 2,2 to ST 9,5 inclusive.
SS EN ISO 7050 Ed. 2 (2011) - Identical
NF EN ISO 7050:2011 - Identical
NEN EN ISO 7050:2011 - Identical
NBN EN ISO 7050:2011 - Identical
UNI EN ISO 7050:2012 - Identical
UNE EN ISO 7050:2011 - Identical
ONORM EN ISO 7050:2011 - Identical
SN EN ISO 7050:2011 - Identical
BS EN ISO 7050:2011 - Identical
