Countersunk head
Raised countersunk head
Countersunk head square neck
Countersunk head with nib
Square countersunk head
Countersunk Cheese head
T-head countersunk
GJB 134.2-1986
100° Countersunk head lock bolt(ds r6)
GJB 134.3-1986
100° Countersunk head lock bolt(ds f9)
