Known tip to RUB the screw with soap, to facilitate its mounting in the wooden piece. If it is plastic, for example, sealing the dowel into the hole — then the screw for the same purpose, it is expedient, in any way, and heated screw hot: it will opravit dowel and will hold tightly.
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HYDRAULIC PIPE BENDER
The main element of such a tool is a hydraulic Jack used for lift trucks. The lift is rigidly fixed on a steel baseplate to fit. On the rod of the Jack is put on a mandrel of aluminum...
FROM THE BARREL — STRETCHER
They can be made in just a few minutes. For this you need to saw off part of an old metal barrel and attach it with bolts to handles (e.g., spade handles). Yu MACHALA, 13 pet., Lviv, Ukraine