Hex with flange
Round head
Countersunk head
Raised countersunk head
Hex with collar
Round head with collar
Bugle head
JIS B1125-6-1995
Cross recessed trumpet countersunk head with type Z self-drilling and tapping screws-Table 6
DIN 18182-2-2010
Type TB Cross recessed trumpet head double-threaded self-drilling dry wall screws
