Is the smaller the needle degree of the key matching machine, the greater the sharpness?

The smaller the needle degree of the key matching machine, the greater the sharpness. The key matching machine is equipped with internal milling keys. First, select the milling cutter and guide pin according to the width of the keyway. Generally, the diameter of milling cutter is directly 0. 1mm smaller than the width of keyway, and the guide pin is 0. 1mm larger than the diameter of milling cutter. When keying, you can use a milling cutter made of tungsten steel, which is not only durable, but also has no burr. Kabbah key matching machine: generally, 95-degree sharp tungsten steel drill tool is selected, and 80-degree guide pin can be used.