M4 X 16MM TORX BUTTON HEAD SECURITY BOLTS ANTI VANDAL SCREWS A2 STAINLESS STEEL
£3.15
Security Torx Button Head Screws are a variant of the Torx Button Head Screws. The Security Torx Drive (also known as a Star Security Drive) consists of a pin in the middle of the drive. Thread Size (T) M4 (4mm).