Dear James: Last time I used my circular saw, the blade was dull, and the cuts were rough. When I get new ones, what type of blade works best and how many teeth should there be? — Megan R.
Dear Megan: If you have already shopped for a circular saw blade, you probably noticed a huge selection with prices ranging from $30 to more than $100 depending on the type and quality of blade. It is easy to change a saw blade, so it is wise to get several different blades depending upon the various projects you plan to tackle.
The number of teeth typically has the most impact on how well a blade works for cutting various materials and the speed of cutting. There also are different tooth designs and hardnesses, which affect the cutting and the life of the saw blade. Some materials, such as laminate flooring, can dull a blade faster than wood….