When you do not have a suitable spanner to Unscrew the hex-head bolt will help out any screw with two nuts — preferably square-shaped.
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Offer to store small bolts, screws, nails, nuts and washers, and any other such trifle — cell cardboard or plastic container from under the eggs. V. GOLOVASHIN, Rybnoe, Ryazan region.
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Under certain operating conditions (e.g., vibration) threaded connections progressively'm quite unhinged by it. To avoid this, do not have to screw the lock nut: its role can play and a...