单元幕墙设计要点.pdf

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1、机械手册中所规定的自攻钉推荐钻孔直径C、F型自攻螺钉在中碳钢、黄铜、铝合金、不锈钢和高强耐蚀镍铜合金板中（mm）螺纹规格材料厚度钻孔直径螺纹规格材料厚度钻孔直径0.712.900.714.100.913.101.224.301.223.201.624.50ST4.2ST5.51.623.402.644.802.643.703.184.903.183.804.755.100.713.401.224.801.223.601.625.201.623.802.035.40ST4.8ST6.32.644.103.185.703.184.304.755.904.754.506.356.00我公司工艺

2、手册中所规定的自攻钉推荐钻孔直径自攻钉规格底板材料厚度底板钻头直径上板钻头直径孔径公差23.44.3ST4.22.53.54.333.64.323.950.162.545ST4.834.1544.2554.3524.55.634.65.6ST5.50.1644.75.654.85.635.56.545.66.5ST6.355.76.50.265.86.575.96.5螺钉公称直径孔径(mm)扭矩N.m(mm)minmax4.23.433.484.44.64.0154.0656.35.54.7354.785106.35.4755.52513.6对车间使用的部分螺钉实测结果（单位:mm）名称

3、公称直径实测直径平均值ST4.2自攻螺钉4.24.04.0ST4.8自攻螺钉4.84.66;4.72;4.684.69ST5.5自攻螺钉5.55.3；5.34；5.345.33M6螺钉65.78;5.8;5.825.8M8螺钉87.58;7.767.67我公司工艺手册中所规定的螺钉推荐钻孔直径螺钉规格与螺纹底孔钻头直径的对应关系。（适用于铝及钢件）mm螺纹规格M4M5M6M8M10钻头直径3.34.256.78.5孔径公差0.160.2