Round head
Countersunk head
Raised countersunk head
Round head with collar
Undercut countersunk head
Raised Undercut countersunk head
Raised cheese
GB/T 5282-1985
Slotted pan head tapping screws-type C
GB/T 5283-1985
Slotted countersunk head tapping screws-type C
GB/T 5284-1985
Slotted raised countersunk head tapping screws-type C
ISO 1481-1983
Slotted pan head tapping screws-type C
DIN 7971-1990
Slotted pan head tapping screws-type C
ISO 1482-1995
Slotted countersunk head tapping screws-type C
DIN 7972-1990
Slotted countersunkhead tapping screws-type C
ISO 1483-1983
Slotted raised countersunk head tapping screws-type C
DIN 7973-1990
Slotted raised countersunk head tapping screws-type C
IFI 502-7-1982
Type AB slotted flat head self tapping screw-Table 7
IFI 502-9-1982
Type AB Slotted semi sunk self tapping screw-Table 9
IFI 502-11-1982
Type AB Slotted pan head tapping screw-Table 11
BS 4174-8-1972
Type AB 80°slotted countersunk head self tapping screw-Table 8
BS 4174-10-1972
Type AB slotted truncated countersunk head self tapping screw-Table 10
BS 4174-12-1972
Type AB slotted raised countersunk head self tapping screw-Table 12
BS 4174-14-1972
Type AB slotted truncated raised countersunk head self tapping screw-Table 14
BS 4174-16-1972
Type AB Slotted pan head tapping screw-Table 16
BS 4174-18-1972
Type AB slotted mushroom head tapping screw-Table 18
ASME/ANSI B18.6.4-9-1998
Type AB 80°slotted flat head self tapping screw-Table 9
ASME/ANSI B18.6.4-13-1998
Type AB 80°slotted truncated countersunk head self tapping screw-Table 13
