20120298089 | Low Vibration-Type Saw Blade - There is provided a low vibration-type saw blade including a circular steel substrate having a center hole at a central portion thereof, a super abrasive grain layer which includes diamond abrasive grains or CBN abrasive grains and is continuously formed to an outer periphery edge of the steel substrate, and a pair of male and female flanges which are made of a fiber reinforced plastic and have an attachment hole to an electric tool spindle at a central portion, and which are integrally provided on a substantial half part of the steel substrate in a direction toward an outer periphery thereof through the center hole provided at the center portion of the steel substrate such that the male and female flanges sandwich the steel substrate from both side faces thereof. | 11-29-2012 |