Get better cuts from any circular saw
Set clearance to zero
To support the wood fibers, especially plywood's thin veneers, where the blade exits the workpiece, attach an auxiliary subplate to your saw's footplate (also called a base or shoe). When you plunge-cut through this extra layer, you'll create a zero-clearance opening around the blade to eliminate tear-out.
CAUTION: Be extra careful when using a saw this way because the blade guard cannot cover the blade below the auxiliary footplate.
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