Pan head cross groove triangular tooth screw, Pan head plum blossom groove triangular tooth screw, Hexagonal cross groove triangular tooth screw, countersunk cross groove triangular tooth screw, countersunk plum blossom groove triangular tooth screw, Hexagonal flange triangular tooth screw.

There are various specifications for self tapping screws, including diameters ranging from 3mm to 12mm and lengths ranging from 10mm to 100mm. The specific specifications will also be adjusted according to different application scenarios and materials.

The classification and specifications of drill tail screws can be divided into various types based on their use, material, and shape, such as cross groove pan head self tapping screws, cross groove countersunk head self tapping screws, hexagonal flange self tapping screws, etc.