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Hacksaw blades cut on the pull stroke (back into the machine) and are supposed to lift on the push stroke, all the DIY setups I have seen cut on both the pull and push stroke, i.e.

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What type of setup would allow you lift ever so slightly on the push stroke? Alternatively, are power hacksaw blades bi-directional? All help appreciated.

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  • $\begingroup$ Unless the blade has teeth pointing both ways the blade only cuts in one direction. $\endgroup$ – Solar Mike May 29 '20 at 17:59

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