Fun Questions to Ask Your Boyfriend. When your relationship is still fresh, it's nice to get to know the silly basics of what makes your man tick.
A hacksaw (coarse blade) could be used on plastic, but not wood. A carpenters' saw would be used on wood. Power saws are always the most efficient, but of course it depends on what type of cuts you are doing.
Metal cutting discs for circular saws of standard size are 7 1/4 inches in diameter. They are made similarly to discs for angle grinders but without the cupped center washer. A diamond-shaped plate with a round hole in the center is used for mounting.