GB/T 2148-1991
Hexagon nuts with shoulder
GB/T 6177.2-2016
Hexagon nuts with flange,style2-Fine pitch thread
DIN 6923-1983
Hexagon nuts with flange
ISO 10663-1999
Hexagon flange nuts with fine pitch thread
EN 14218-2003
Hexagon head nuts with flange with fine pitch thread
EN 14218-2003
Hexagon flange nuts with fine pitch thread
JB/T 8004.1-1999
Hexagon nuts with collar
JIS B1190-1987
Hexagon nuts with flange
NF E25-406-1-2003
Hexagon flange nuts with fine pitch thread
GB/T 6177.2-2000
Hexagon nuts with flange,style2-Fine pitch thread
ISO 10663-2012
Hexagon flange nuts with fine pitch thread
ISO 10663-2017
Hexagon flange nuts with fine pitch thread
EN 14218-2008
Hexagon head nuts with flange with fine pitch thread
EN 14218-2008
Hexagon flange nuts with fine pitch thread
JIS B1190-2005
Hexagon flange nuts with fine pitch thread
JIS B1190-1999
Hexagon flange nuts with fine pitch thread
JIS B1190-2014
Hexagon flange nuts with fine pitch thread
Q 323-2012
Hexagon nuts with flange with fine thread
CNS 4733-1984
Hexagon nuts with collar with fine thread