Torx drive is also know as star drive fasteners. They have a six-point star recess in the head that increases torque exertion, prevents cam out and boosts fastener life.
Additional Information
DIAMETER x LENGTH:
M3 X 6MM, M3 X 8MM, M3 X 10MM, M3 X 12MM, M3 X 16MM, M4 X 6MM, M4 X 8MM, M4 X 10MM, M4 X 12MM, M4 X 16MM, M4 X 20MM, M4 X 25MM, M5 X 8MM, M5 X 10MM, M5 X 12MM, M5 X 16MM, M5 X 20MM, M5 X 25MM, M6 X 8MM, M6 X 10MM, M6 X 12MM, M6 X 16MM, M6 X 20MM, M6 X 25MM, M6 X 30MM, M8 X 16MM, M8 X 20MM, M8 X 30MM, M8 X 35MM, M8 X 40MM