螺纹规格M1.6x0.35M2x0.4M2.5x0.45M3x0.5M4x0.7M5x0.8M6x1M8x1.25M8x1M10x1.5M10x1.25M12x1.75M12x1.50M12x1.25M14x2M14x1.5M16x2M16x1.5M18x2.5M18x1.5M20x2.5M20x1.5M22x2.5M22x1.5M24x3M24x2M27x3M27x2钻头直径1.251.62.052.53.34.256.878.58.810.210.510.81212.51414.515.516.517.518.519.520.521222425
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