JB/T 6686-1993
12-Piont flange bolts
DIN 65438-1993
Titanium alloy 12 points bolts for aviation
IFI 115-2002
Flange 12 points screws
SAE J58-1998
Flange 12-Piont screws
EN 2874-1996
Aerospace series-bolt,larg bihexagonal head,close tolerance normal shank,medium length thread
ASME/ANSI B18.2.7.1M-1999
Type A 12-Piont flange screws
ASME/ANSI B18.2.7.1M-1999
Type B 12-Piont flange screws
ASME/ANSI B18.2.7.1M-1999
Type A 12-Piont flange screws with reduced shank
ASME/ANSI B18.2.7.1M-1999
Type B 12-Piont flange screws with reduced shank
ASME/ANSI B18.2.7.1M-2002
Type A 12-Piont flange screws
ASME/ANSI B18.2.7.1M-2002
Type B 12-Piont flange screws
ASME/ANSI B18.2.7.1M-2002
Type A 12-Piont flange screws with reduced shank
ASME/ANSI B18.2.7.1M-2002
Type B 12-Piont flange screws with reduced shank
ASME/ANSI B18.2.7.1M-2007
Type A 12-Piont flange screws
ASME/ANSI B18.2.7.1M-2007
Type B 12-Piont flange screws
ASME/ANSI B18.2.7.1M-2007
Type A 12-Piont flange screws with reduced shank
ASME/ANSI B18.2.7.1M-2007
Type B 12-Piont flange screws with reduced shank
ASME/ANSI B18.2.5M-2009
Metric type U 12-Piont flange screws
ASME/ANSI B18.2.5M-2009
Metric type F 12-Piont flange screws
ASME/ANSI B18.2.5M-2009
Metric type U 12-Piont flange screws with reduced shank