Affix Security Screws Button Head Pin Hexagon Drive - Affix M312M7A2MCSFBUT, Stainless steel screws from Affix with H20 security drive suitable for medium torque applications.
The head prevents removal with standard hexagon tools - these screws are among the most difficult to remove without the matching driver.
Affix Security Screw Button Head Pin Hexagon Drive H20 A2 S/S M3x12mm PK100