GB/T 11-1988
Flat countersunk nib bolts
DIN 604-1981
Flat 60°countersunk head nib bolts
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
GB/T 11-2013
Flat countersunk nib bolts
JIS B1179-5-2009
Flat head bolt with reverse key -Rough Table5
GOST 7785-1981
90° flat countersunk head nib bolts
GOST 7785-1981
60° Flat countersunk head nib bolts
GOST 7785-1981
90° flat countersunk head nib bolts with reduced shank
GOST 7785-1981
60° flat countersunk head nib bolts with reduced shank
CNS 4417-1981
90° Countersunk head nib bolts
CNS 4417-1981
60°Countersunk head nip bolts
CNS 4697-1982
Countersunk bolts with double nip