LHY整體直柄右螺旋槽絲錐 ● 特性：螺紋精準(zhǔn) 通用性強(qiáng) 性能高 耐磨損 堅(jiān)固耐用 鋒利耐磨 性價(jià)比高 用途廣泛 通孔效果優(yōu)異 切削流暢 容屑空間大 散熱性強(qiáng) 刃傾角槽 光潔度高● Thread precision, versatility, high wear resistance, ruggedness, sharpness, wear resistance, price ratio, high use, wide through hole effect, excellent cutting fluency, chip space, large heat dissipation, strong edge inclination groove, high cleanliness