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Inventor Andy Klein, whose twin-turbo vise we looked at , has come up with something insane: A large screw that appears to have no
slot at all. So how do you drive the thing?
Shop hillman #8 x 3/4-in slotted -drive thread-cutting sheet metal screws 100 -countLowes.com ... A slotted drive implies that there is a
a slot in the head of the screw driven by a flat-bladed driver.
Once you’ve lined the spacer up with the screw slot, use a drill to drive the screw and pegboard into the wall. Then, move on to the next screw slot on the top.
Inventor Andy Klein, whose twin-turbo vise we looked at here, has come up with something insane: A large screw that appears to have no slot at all. So how do you drive the thing? He shows you around the 30-second mark: If you watched the whole video, you've seen