What is thinning? Thinning is a process in which the chisel edge (the non-cutting edge) of the tip of the drill is thinned so that the blade is applied to t... 詳細表示
What do 2D, 3D, 4D, and 5D mean?
What does 2D, 3D, 4D, and 5D mean? D stands for tool diameter. It is expressed as several times the depth and length of the tool diameter, and is express... 詳細表示
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