I.S. EN ISO 4017:2014现行
Fasteners - Hexagon Head Screws - Product Grades a and b (iso 4017:2014)
出版：National Standards Authority of Ireland
专家解读视频
Describes the characteristics of hexagon head screws with threads from M1,6 up to and including M64, of product grade A for threads M1,6 to M24 and nominal lengths up to and including 10d or 150 mm, whichever is the shorter, and product grade B for threads over M24 or nominal lengths over 10d or 150 mm, whichever is the shorter.
NBN EN ISO 4017:2014 - Identical
SN EN ISO 4017:2014 - Identical
ONORM EN ISO 4017:2014 - Identical
ONORM EN ISO 4017:2015 - Identical
UNE EN ISO 4017:2015 - Identical
UNE EN ISO 4017:2011 - Identical
UNI EN ISO 4017:2011 - Identical
BS EN ISO 4017:2014 - Identical
NEN EN ISO 4017:2015 - Identical
NS EN ISO 4017:2014 - Identical
NF EN ISO 4017:2014 - Identical
