极细颗粒的硬质合金基体，使刀具的耐磨性和切削刃强度得到完美结合。
Solide carbide alioy matrix of super fine particle. Combined the abrasive resistance and cutting blade intensity of the cutting perfectly.
由高强度高速钢精工制造而成，带有四个精确磨削的切削刃，使得该产品成为高效率，高精度，长寿命的开榫工具。
Made of super strength high speed steel with 4 precisely ground edges make it an efficient, accurate and long lasting tool for mortising.
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