GB/T 5281-1985
Hexagon socket head shoulder screws
GB/T 5281-1985
Knurled hexagon socket head shoulder screws
ISO 7379-1983
Knurled hexagon socket head shoulder screws
ISO 7379-1983
Hexagon socket head shoulder screws
JIS B1175-1988
Hexagon socket head shoulder screws
JIS B1175-1988
Knurled hexagon socket head shoulder screws
BS 4168-7-1982
Metric hexagon socket head shoulder screws
BS 4168-7-1982
Metric knurled hexagon socket head shoulder screws
BS 4168-7-2017
Metric hexagon socket head shoulder screws
BS 4168-7-2012
Metric hexagon socket head shoulder screws
BS 4168-7-2004
Metric hexagon socket head shoulder screws
BS 4168-7-2017
Metric knurled hexagon socket head shoulder screws
BS 4168-7-2012
Metric knurled hexagon socket head shoulder screws
BS 4168-7-2004
Metric knurled hexagon socket head shoulder screws
ASME/ANSI B18.3.3M-1979
Metric hex socket head shoulder screws
ASME/ANSI B18.3.3M-1986
Metric hex socket head shoulder screws
ASME/ANSI B18.3.3M-1993
Metric hex socket head shoulder screws
ASME/ANSI B18.3.3M-2002
Metric hex socket head shoulder screws
ASME/ANSI B18.3.3M-2008
Metric hex socket head shoulder screws
GOST 28962-1991
Hexagon socket head shoulder screws