Standard Drives: 12-Point; Hex Socket / Allen; Philips / Frearson; Slotted; Square / Robertson; Torx Inch: # 4; # 5; # 6; # 7; # 8; # 9; # 10; # 12; # 14; 1/4"; # 16 ...

It’s stuck tight with thread-locking fluid, and using more torque threatens to strip the head. Frustration mounting ... [Daniel] is faced with a titanium Torx screw that refuses to come loose ...

Torx: The Torx head, often referred to as a star ... where you wouldn’t want to sink your screw. These screw heads tighten with both a flat head and hex bit, allowing for quite a bit of torque ...