Forstner Bit Hochwertige Holzbohrer 15-100mm Astlochbohrer Set Bohrlochschneider. 15-65mm Forstnerbohrer Holzbohrer Astlochbohrer Set Holzbearbeitung Fräser Set. When drilling holes, forstner drill bit is made only in the clockwise direction, not reversible, and the speeds from low to high is a gradual process.
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