作者: LaVerne R. Durfee
DOI:
关键词: Mechanical engineering 、 Engineering 、 Blade (archaeology) 、 Structural engineering 、 Drilling 、 Perpendicular 、 Head (vessel) 、 Edge (geometry) 、 Bit (horse)
摘要: A shank that has one end adapted to be connected a chuck of rotary tool. The opposite the supports cutting head having series teeth formed on edge thereof for periphery hole. screw tip may provided feeding bit into and through wood. plurality blades are boring interior define edges disposed at different angles plan perpendicular axis rotation.