To tightly connect the screws the two boards, you need to use the brace. From a set of versatile screwdriver select the appropriate tip and insert into the rotation in place of the drill. This significantly saves power and enough pressed on a fastened Board.
A. SYROTYUK, S. Krasnosillia, Rivne region.
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SPACED AXIAL
To hold the centerline on the workpiece will help the device shown in the figure.
Multicharging sketch
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