Hex with flange
Round head
Countersunk head
Raised countersunk head
Hex with collar
Round head with collar
Bugle head
ISO 15481-1999
Cross recessed round head self-drilling and tapping screws-type H
ISO 15482-1999
Crosse recessed countersunk head drilling screws with tapping screws thread-type H
ISO 15483-1999
Cross recessed raised countersunk head self-drilling and tapping screws-type H
