公制英制美制螺纹对照表螺纹标准手册

公制英制美制螺纹对照表螺纹标准手册常用规格（公制）M1.2x0.25M2.5x0.45M6x0.75M10x0.75M1.4x0.3M2.6x0.45M6x1M10x1M1.6x0.35M3x0.5M