Hex chamfered single face
Round head
Countersunk head
Raised countersunk head
Cheese
Hex with collar
Round head with collar
Undercut countersunk head
Raised Undercut countersunk head
Low cheese head
Raised cheese
Hex chamfered double faces
SJ 2832-1987
H type cross big spherical flange self rolling screw
SJ 2831-1997
Cross recessed round head triangle lock self-tapping screws-type H
