GB /T 16674.1 - 2016 Hex Flange Bolts
GB /T 16674.2 - 2016 Hex Flange Bolts Fine Pitch Thread
GB /T 35481 - 2017 Hexalobular Flange Bolts
GB /T 5789 - 1986 Heavy Hex Flange Bolts Grade B
ANSI/ASME B 18.2.1-2012 Hex Flange Screws
ANSI/ASME B 18.2.3.4M - 1999 Metric Hex Flange Bolts
ANSI/ASME B 18.2.3.9M - 2001 (R2014) Metric Heavy Hex Head Flange Screws
ANSI/ASME B 18.6.7M - 1998 Metric Hex Flange Screws
ASME B 18.2.5M - 2013 12-Point Flange Head Screws (12.9 / ASTM F468M)
DIN 6921 - 1983 Hex Flange Screws
DIN EN 1665 (S) - 1998 Heavy Hex Bolts With Flange
JIS B 1189 (ISO 15071) - 2014 Hexagon Flange Bolts with Full Shank Coarse Thread
JIS B 1189 (ISO 15072) - 2014 Hexagon Flange Bolts with Full Shank Fine Thread
Q 180 Hexagon Flange Bolts
Q 181 Hexagon Flange Bolts Fine Pitch Thread
Q 182 Hexagon Flange Bolts with Reduced Shank
Q 183 Hexagon Flange Bolts - Fine Pitch Thread-Small Series - Type R
Q 184 Hexagon Flange bolts
Q 185 Hexagon Flange Bolts-fine Pitch Thread - Small Series - Type N
Q 186 Hexagon Bolts with Big Flange
Q 188 Hexagon Bolts with Big Flange and Reduced Shank
QC /T 340 - 2017 Hexagon Flange Bolts with Serration for Automobile