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
ASME/ANSI B18.3-11-2012
Hexagon socket head cap screws-Table 11
BS 2470-4-1973
UN hexagon socket button head screws-Table 4
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 2470-4-2004
UN hexagon socket button head screws-Table 4
BS 2470-4-2012
UN hexagon socket button head screws-Table 4
BS 2470-4-2017
UN hexagon socket button head screws-Table 4
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