On 3/27/2012 12:12 PM, Robert Stevens wrote: > Not according to the parts guy in Bend, OR who told me that the 12-point > refers to socket or box-wrench tool, which fit OVER the bolt end; and the Triple Square refers to the Allen > type tool, which, of course, fits into the bolt end. "12 point" usually refers to a double hex drive, and are often used for axle nuts on newer vehicles. Double hex have 60 degree points, and a 12 point socket fits, which is why they're called "12 points." XZN (aka triple square) have lobes with right angle points. |
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