Why do metal shears start to chew and what to do about it?
Metal shears operate under harsher conditions than standard household scissors. Their design features a small metal stop, which, in addition to the central nut, presses the blades together at the cutting point. Over time, this stop wears down, and the scissors begin to chew through the metal. At the initial stage of wear, this problem can be corrected by tightening the central nut. However, when wear is significant, tightening the nut causes the blades to jam. In this case, you can simply buy new scissors or restore the old ones. For example, you can weld a groove caused by wear.
Metal shears, differences in design:
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