Countersunk head
Raised countersunk head
Countersunk head square neck
Countersunk head with nib
Square countersunk head
Countersunk Cheese head
T-head countersunk
MS 16204B-1999
90° Countersunk head nibbed bolts
MS 16204B-1986
90° Countersunk head nibbed bolts
MS 16204B-1967
90° Countersunk head nibbed bolts
