钨钢螺纹铣刀公制单刃内外螺纹 单齿铣牙刀美制UNC/UNF/UNEF M0.8*0.2

KUANGMING进口60度铝用钨钢单牙螺纹铣刀公制单齿螺纹刀硬质合金铣牙刀公制美制UNCUNF M0.8*0.2*D4*50

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