Usually designers avoid threaded joints if at the conventional “nut” less than two to three threads. Method shown in figure, allows you to make a threaded connection more reliable. However, to make a hood, will have to make a simple punch and die.
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To make cutting tile easy method "cleavage", using a common wrench size for the nut which is 1...3 mm greater than the thickness of the tile. To speed the lower edge portion of the key...
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