Hex chamfered single face
Hex with flange
Round head
Countersunk head
Raised countersunk head
Hex with collar
Round head with collar
Countersunk head with rib
Undercut countersunk head
Bugle head
Raised Undercut countersunk head
Low cheese head
Raised cheese
Hex chamfered double faces
GB/T 13806.2-1992
Cross recessed countersunk head cutting tapping screws,scrape point —Type B
DIN 7516B-1995
Countersunk flat head thread cutting screws-type H
IFI 502-8-1982
Type BF Cross recessed with type H countersunk head tapping cutting screws-Table 8
IFI 502-8-1982
Type BT Cross recessed with type H countersunk head tapping cutting screws-Table 8
IFI 502-8-1982
Type D Cross recessed with type H countersunk head tapping cutting screws-Table 8
IFI 502-8-1982
Type F Cross recessed with type H countersunk head tapping cutting screws-Table 8
IFI 502-8-1982
Type T Cross recessed with type H countersunk head tapping cutting screws-Table 8
UNI 7910
Cross recessed countersunk head tapping screws with rapid thread-type H
ASME/ANSI B18.6.1-3-1981
Type I double layer cross groove (H type) countersunk head wood screw-Table 3
ASME/ANSI B18.6.1-3-1981
Type II double layer thread 80°cross groove (H type) countersunk head wood screw-Table 3
ASME/ANSI B18.6.4-10-1998
Type BF 80°cross recessed with type H countersunk head self tapping cutting screw-Table 10
ASME/ANSI B18.6.4-10-1998
Type BT 80°cross recessed with type H countersunk head self tapping cutting screw-Table 10
ASME/ANSI B18.6.4-10-1998
Type D 80°cross recessed with type H countersunk head self tapping cutting screw-Table 10
ASME/ANSI B18.6.4-10-1998
Type F 80°cross recessed with type H countersunk head self tapping cutting screw-Table 10
ASME/ANSI B18.6.4-10-1998
Type G 80°cross recessed with type H countersunk head self tapping cutting screw-Table 10
ASME/ANSI B18.6.4-10-1998
Type T 80°cross recessed with type H countersunk head self tapping cutting screw-Table 10
ASME/ANSI B18.6.4-10-1998
Type D 80°cross recessed with type H countersunk head self tapping cutting screw with fine pitch thread-Table 10
ASME/ANSI B18.6.4-10-1998
Type F 80°cross recessed with type H countersunk head self tapping cutting screw with fine pitch thread-Table 10
ASME/ANSI B18.6.4-10-1998
Type G 80°cross recessed with type H countersunk head self tapping cutting screw with fine pitch thread-Table 10
ASME/ANSI B18.6.4-10-1998
Type T 80°cross recessed with type H countersunk head self tapping cutting screw with fine pitch thread-Table 10