DIN - 6928
Self-tapping screw with hexagonal head and sheet metal thread
DIN - 7981
Self-tapping screw for sheet metal with groove
DIN - 7982
Self-tapping screw with countersunk head for sheet metal
DIN - 7983
For sheet with cross groove, countersunk head and tallow drop
DIN - 7500-C
Self tapping trilobular screw with cylindrical head
DIN - 7500-M
Self tapping trilobular screw with flat countersunk head
DIN - 7500-D
Trilobular hexagonal headed screw with flange
DIN - 7500-E
Multi-Stage Head Self-tapping Screw
