Tag Archives: The Three-Tooth Rule

The Three-Tooth Rule

The Three-Tooth Rule, or How the Number of Teeth Work in a Cut. In order to obtain the best TPI (teeth per inch) for the smoothest cut, follow the three-tooth rule. A minimum of three and a maximum of 24 teeth engaged in a cut. If there are too few teeth in a cut, the blade’s teeth can straddle the work piece and cause the teeth to strip. Too many teeth in a cut may cause the gullets to overload due to there not being enough gullet capacity to hold all of the chips. Along with having teeth strip from the saw blade, blade bounce is …

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