Fun fact: Torx screwdrivers are compatible with Torx Plus screws, but Trox Plus screwdrivers are only compatible with Torx screws that are one size larger
Fun fact: Torx screwdrivers are compatible with Torx Plus screws, but Trox Plus screwdrivers are only compatible with Torx screws that are one size larger
Torx, hex, and square/Robertson all require broaching, generally with a rotary broach. The manufacturing process is basically identical, though the manufacturing of the machine tools varies slightly.