Quote:
Originally Posted by COACE30.2
|
X2. These are pretty common.
Double-square[edit]
Double-square screw drive. Similar in concept to square (Robertson) and triple-square.
Double-square drive is 2 squares superimposed, forming an 8-pointed star. In other words, 2 Robertson squares superimposed at 45° rotation. This is similar to that of the triple-square. The concept is that of a square drive (Robertson) but can be caught at more frequent angles by the driver bit.
Thor Forums
