Countersunk head
Raised countersunk head
Countersunk head square neck
Countersunk head with nib
Square countersunk head
Countersunk Cheese head
T-head countersunk
GB/T 11-1988
Flat countersunk nib bolts
DIN 604-1981
Flat 60°countersunk head nib bolts
BS 4933-1973
90° Countersunk head nibbed bolts
BS 325-4-1947
Black 80° countersunk nibbed bolts and countersunk round bolts-Table 4
ASME/ANSI B18.9-2-2012
60° Countersunk head nibbed bolts-Table 2
ASME/ANSI B18.9-2-2012
60° Countersunk head nibbed bolts(Repair head)-Table 2
ASME B18.9-4-2012
40°Countersunk head plow bolts with heavy key-Table 4
JIS B1179-2-1994
Flat head bolt with reverse key -Rough Table2
UNI 6105-1976
Flat head bolt with reverse key
DIN 11014-1968
Countersunk head double nibs bolts for agricultural machinery
GB/T 800-1988
Countersunk head bolts with double nibs
DIN 604-1981
Flat 90°countersunk head nib bolts
DIN 604-2017
Flat 60°countersunk head nib bolts
DIN 604-2017
Flat 90°countersunk head nib bolts
DIN 604-2007
Flat 60°countersunk head nib bolts
DIN 604-2007
Flat 90°countersunk head nib bolts
BS 4933-9-2010
90° Countersunk head nibbed bolts
BS 4933-9-2015
90° Countersunk head nibbed bolts
GB/T 11-2013
Flat countersunk nib bolts
JIS B1179-5-2009
Flat head bolt with reverse key -Rough Table5
