LHY整体直柄右螺旋槽丝锥 ● 特性：螺纹精准 通用性强 性能高 耐磨损 坚固耐用 锋利耐磨 性价比高 用途广泛 通孔效果优异 切削流畅 容屑空间大 散热性强 刃倾角槽 光洁度高● 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