ASME/ANSI B18.2.1-1-2012
Square head bolts-Table1
GB/T 8-1988
Square head bolts
BS 916-1953
Black square bolts-forget
BS 916-1953
Black square screws-forget
BS 916-1953
Black square screws-turning
JIS B1182-1.1-1995
Square head bolts-Finished Table1-1
JIS B1182-1.2-1995
Square head bolts-Semi finished Table1-2
JIS B1182-1.3-1995
Square head bolts-Regular Table1-3
JIS B1182-2-1995
Large square head bolts-Regular Table2
GB/T 35-1988
Small square head bolts
Q 194B-1999
Small square head bolts
JIS B1182-5-2009
Square head bolts-Finished Table5
JIS B1182-6-2009
Square head bolts-Semi finished Table6
JIS B1182-7-2009
Square head bolts-Regular Table7
JIS B1182-8-2009
Large square head bolts-Regular Table8
GB/T 35-2013
Small square head bolts
ASME/ANSI B18.2.1-1-2010
Square head bolts-Table1
ASME/ANSI B18.2.1-1-1981
Square head bolts-Table1
ASME/ANSI B18.2.1-1-1992
Square head bolts-Table1
ASME/ANSI B18.2.1-1-1996
Square head bolts-Table1
