Which type of saw is used to cut wood across the grain?

The crosscut saw is specifically designed for cutting wood across the grain. Its teeth are shaped and set in a way that allows for efficient cutting through the fibers of the wood, making it the ideal tool for this type of cut. When cutting across the grain, it’s important to have a saw that can create smooth, clean cuts without splintering, and the crosscut saw excels in this regard.

In contrast, other saws such as a keyhole saw are more suited for making intricate or curved cuts in thinner materials, and a back saw is typically used for precise cuts in joinery, especially along the grain. A jigsaw is primarily intended for cutting intricate shapes and curves in a variety of materials, including wood, but is not the best choice for making straight cuts across the grain. Therefore, the crosscut saw is the most appropriate tool for cutting wood across the grain due to its unique design tailored for that specific purpose.