How are Torx sockets measured?
How are Torx sockets measured? Line up the ruler on the star-shaped screw tip to measure from one point to the point directly opposite.Examine the markings on the ruler and write them down.Compare the measurement with the "P to P" (point to point) column of the first chart on the Wiha website to determine your Torx bit's exact T-size. What are the Torx sizes? There are a million Torx sets on the market, but many don't contain Torx drivers for the most common sized Torx screws. The most common Torx screws are T6, T8, T10, T15, T20, T25 and T30....