A circular saw is one of the most basic power tools available for home construction projects. When you know how to use one safely, it is an highly versatile tool. However, one of the common mishaps associated with a circular saw is known as a kickback. A kickback occurs when the blade binds on the wood and either throws the wood or the saw itself back at you. Here are a few ways to avoid a kickback and operate your circular saw safely.
Support Wood on Both Ends
If you are cutting a long piece of wood, support both ends on a work bench or other flat surface. When the saw begins to cut, one end of the wood will begin to sag. Halfway through the lumber the weight of the other end can pinch the blade on the bottom and cause it to jerk out of your hand.
Placing the wood across two sawhorses creates a dangerous situation. The weight of the saw will cause the wood to buckle in the middle, causing the saw to bind on the top. This usually results in a kickback of the lumber. Always keep wood on a stable, flat surface.
Use Anti-Kickback Blade
When doing remodeling work, you may encounter hidden surprises in the wood such as nails, screws and other braces. An ant-kickback blade is made much tougher than ordinary circular saw blades and can absorb the impact of the nail. This does not prevent binding or pinching so you should always stay ready.