Delivers maximum cutting performance while outlasting traditional standard pitch models Bi-metal construction with cutting edge made from premium M42 high-speed steel Designed with varying teeth height to remove material faster and last longer Suitable for wood; mild, tool and stainless steels; cast iron; brass and aluminum Features 1 15/16 in. (49 mm) cutting depth Durable 0.05 in. side wall prevents collapsing External coating reduces side wall friction for efficient cutting Positive tooth rake angle produces faster cutting rates