Performs well beneath problems of substantial torque and useful for applications the place vibrations can promptly loosen inadequately tightened screws They arrive in various measurements, and you'll find other variations like Torx In addition, Torx Paralobe, and Torx entice. It may also be built with a pin in the center https://types-of-wood-screw03692.shotblogs.com/detailed-notes-on-types-of-screw-heads-diagram-43464946