Straight saw blades designed specifically for cutting metal — including hacksaw blades and power-hacksaw blades — serve maintenance, fabrication, and metalworking operations across manufacturing and construction industries. The end-use specification (working metal) is the classification boundary that separates these blades from straight blades intended for wood or other materials, which would fall under the residual saw blade category. Tooth pitch, blade hardness, and bimetal versus high-speed steel construction are the key commercial specifications that buyers and importers track.

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