Countersunk head
Raised countersunk head
Countersunk head square neck
Countersunk head with nib
Square countersunk head
Countersunk Cheese head
T-head countersunk
CNS 4418-1981
Countersunk square bolts with long square
CNS 4419-1981
Countersunk square bolts with short square
CNS 4417-1981
90° Countersunk head nib bolts
CNS 4417-1981
60°Countersunk head nip bolts
CNS 4697-1982
Countersunk bolts with double nip
CNS 4698-1982
Countersunk double-rib bolts counter sinkings for agricultural equipment
