"For each screw drive type, from ancient Slot through to space-age Lox we present a quick view of the screw head, the drive name, a picture of the appropriate drive bit, followed by an explanation of the type. Also presented are the advantages and disadvantages of each drive type. Slot type are also included because that is where the screw began and a double slot becomes a cross drive, and the Robertson or square drive enter the story with recent combined Phillips/Square drives. The Allan, Spline, Torx etc drives are not included and maybe neither should the Uni-Screw, it is just so darn new and interesting.…"
Chart here: http://is.gd/ba8t0
Explanation here: http://is.gd/ba8rX
1 comment:
so I think that these are so cool!! Many of the disadvantages are so common but I think that the drive configurations in general are so good!
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