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
What is point angle Effects of Drill...
What is point angle Effects of Drill point angle point angle is the angle of the tip of the drill. In general, 118° is the standard for high-speed steel dr... 詳細表示
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