ASME/ANSI B18.3.1M-A2-1986
Metric hex socket heads cap screws with two holes on the head-Table A2
ASME/ANSI B18.3.1M-A2-1986
Metric hex socket heads cap screws with six holes on the head-Table A2
ASME/ANSI B18.3.1M-1-1993
Metric hex socket heads cap screws-Table 1
ASME/ANSI B18.3.1M-A2-1993
Metric hex socket heads cap screws with two holes on the head-Table A2
ASME/ANSI B18.3.1M-A2-1993
Metric hex socket heads cap screws with six holes on the head-Table A2
ASME/ANSI B18.3.1M-1-2002
Metric hex socket heads cap screws-Table 1
ASME/ANSI B18.3.1M-A2-2002
Metric hex socket heads cap screws with two holes on the head-Table A2
ASME/ANSI B18.3.1M-A2-2002
Metric hex socket heads cap screws with six holes on the head-Table A2
ASME/ANSI B18.3.1M-1-2008
Metric hex socket heads cap screws-Table 1
ASME/ANSI B18.3.1M-A2-2008
Metric hex socket heads cap screws with two holes on the head-Table A2
ASME/ANSI B18.3.1M-A2-2008
Metric hex socket heads cap screws with six holes on the head-Table A2
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
ASME/ANSI B18.3.4M-2008
Metric hex socket button head screws
ASME/ANSI B18.3.5M-1986
Metric hex socket countersunk head screws
ASME/ANSI B18.3.5M-1993
Metric hex socket countersunk head screws
ASME/ANSI B18.3.5M-2002
Metric hex socket countersunk head screws
CNS 4558-1981
Hexagon socket countersunk head screws
