|Name:||Torx Driver Pan Head Thread Rolling Screw||Material:||Carbon Steel|
|Head:||Torx Socket Pan Head||Thread:||Full Thread-UNC|
|Tail:||Thread Rolling/Triangular Thread||Color:||Blue-white,gold|
Hexagon Flange Head Rolling Screw,
Zinc Galvanizing Thread Rolling Screw,
DIN Standard Thread Rolling Screw
Grade 8.8 Galvanized Torx Socket Pan Head Thread Rolling Screw/ Triangle Thread self Tapping Screw DIN7500 PE
Triangle thread self-tapping screw, also known as self-tapping thread rolling screw, or triangle thread screw, national standard GB6560. It refers to the self-tapping screw tail is triangular tooth, tooth thread is triangular shape. It belongs to a special class of self-tapping screws. Self-tapping lock screw is a kind of self-work screw, its thread is a common thread with arc triangle cross-section, thread surface also has high hardness, so when connecting, the screw can punch out the internal thread in the bottom hole of the connecting part to form a connection. The screw is characterized by low torque and high locking performance.