钢丝螺套底孔

螺纹规格（通用）钻头直径（mm)螺纹规格(特殊)钻头直径（mm)ST2x0.42.1ST8x18.3ST2.5x0.452.6ST10x110.3ST3x0.53.1ST10x1.2510.3ST4x0.74.2ST12x1.2512.3ST5x0.85.2ST12x1.512.4ST6x16.3ST12x112.3ST7x17.3ST13x1.2513.3ST8x1.258.3ST14x1.514.4ST10x1.510.4ST14x1.2514.3ST11x1.511.4ST16x1.516.4ST12x1.7512.4ST18x1.518.4ST14x214.5ST20x1.520.4ST16x216.5ST20x220.5ST18x2.518.6ST22x222.5ST20x2.520.6ST22x1.522.4钢丝螺套底孔一览表