Countersunk head
Raised countersunk head
Countersunk head square neck
Countersunk head with nib
Square countersunk head
Countersunk Cheese head
T-head countersunk
ASME/ANSI B18.9-1-2007
80° Countersunk square neck bolts-Table 1
ASME/ANSI B18.9-1-2007
80° Countersunk square neck bolts(Repair head)-Table 1
ASME/ANSI B18.9-2-2007
60° Countersunk head nibbed bolts-Table 2
ASME/ANSI B18.9-2-2007
60° Countersunk head nibbed bolts(Repair head)-Table 2
ASME/ANSI B18.9-3-2007
80°Countersunk square head plow bolts-Table 3
ASME/ANSI B18.9-4-2007
40°Countersunk head plow bolts with heavy key-Table 4
CNS 4418-1981
Countersunk square bolts with long square
CNS 4419-1981
Countersunk square bolts with short square
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
GOST 7786-1981
90° Flat countersunk head square neck bolts
GOST 7787-1981
40°Deep countersunk head bolts
GOST 17673-1981
120° Countersunk square bolts
CNS 4417-1981
90° Countersunk head nib bolts
CNS 4417-1981
60°Countersunk head nip bolts
GOST 29293-1992
90° Flat countersunk head square neck bolts
CNS 4420-1981
Countersunk head bolts with forged slot for steel structures
CNS 4573-1981
8°Countersunk bolts for drawing instruments
