GB/T 70.2-2008
Hexagon socket button head screws
GB/T 70.2-2015
Hexagon socket button head screws
ISO 7380-2004
Hexagon socket button head screws
JIS B1174-1994
Hexagon socket button head screws
JIS B1174-2006
Hexagon socket button head screws
NF E25-109-2001
Hexagon socket button head screws
NF E25-126-2004
Hexagon socket button head screws
NF E25-126-1997
Hexagon socket button head screws
NF E25-109-1983
Hexagon socket button head screws
NF E25-109-2011
Hexagon socket button head screws
GB/T 70.2-2000
Hexagon socket button head screws
BS 4168-6-1982
Metric hexagon socket button head screws
BS 4168-6-2013
Metric hexagon socket button head screws
ISO 7380-1997
Hexagon socket button head screws
JIS B1174-2017
Hexagon socket button head screws
JIS B1174-2000
Hexagon socket button head screws
ASME/ANSI B18.3.4M-1979
Metric hex socket button head screws
ASME/ANSI B18.3.4M-1986
Metric hex socket button head screws
ASME/ANSI B18.3.4M-1993
Metric hex socket button head screws
ASME/ANSI B18.3.4M-2002
Metric hex socket button head screws
