<p class="ql-block"><br></p><p class="ql-block"><br></p><p class="ql-block"><b style="font-size:22px;"><i>在进行标准公制螺母的攻牙过程中,需要预先钻制一个尺寸小于螺纹大径的孔洞。这个孔洞的大小范围是从螺纹的小径到中径。为了准确确定这个孔洞的直径,我们需要参考相应的对照表。通过对照表,我们可以找到与特定螺纹规格相匹配的孔径大小,从而确保攻牙操作的顺利进行。</i></b></p><p class="ql-block"><br></p> <p class="ql-block"><br></p><p class="ql-block"><br></p><p class="ql-block"><b style="font-size:22px; color:rgb(237, 35, 8);"><i>攻丝多大的螺丝打多大的孔</i></b></p><p class="ql-block"><b style="font-size:22px;"><i>攻丝时打孔的直径通常比螺丝直径小0.5mm到1mm。具体来说,公制螺丝的攻丝打孔直径通常比螺丝直径小0.5mm到1mm,例如M3螺丝的攻丝打孔直径通常为2.5mm;英制螺丝的攻丝打孔直径通常比螺丝直径小0.01英寸到0.02英寸,例如#6-32螺丝的攻丝打孔直径通常为0.125英寸。1</i></b></p><p class="ql-block"><b style="font-size:22px;"><i>此外,自攻螺丝的攻丝打孔直径通常比螺丝的最大直径小0.2mm到0.5mm,例如M3自攻螺丝的攻丝打孔直径通常为2.5mm。</i></b></p><p class="ql-block"><b style="font-size:22px;"><i>这些标准仅为一般指导,实际的攻丝打孔直径可能因材料类型、螺丝类型和应用要求而有所不同。在进行螺丝攻丝打孔时,最好参考相关的螺丝规格表和材料制造商的建议,以确保选择正确的攻丝打孔尺寸。</i></b></p><p class="ql-block"><br></p> <p class="ql-block"><br></p><p class="ql-block"><br></p><p class="ql-block"><b style="font-size:22px; color:rgb(237, 35, 8);"><i>钻头攻丝对照表</i></b></p><p class="ql-block">钻头和丝锥的对照表如下,列出了不同规格的钻头直径和对应的丝锥螺纹规格:</p><p class="ql-block">M1.0×0.25:钻头直径0.75-0.785-0.729</p><p class="ql-block">M1.1×0.25:钻头直径0.85-0.885-0.829</p><p class="ql-block">M1.2×0.25:钻头直径0.95-0.985-0.929</p><p class="ql-block">M1.4×0.3:钻头直径1.10-1.142-1.075</p><p class="ql-block">M1.6×0.35:钻头直径1.25-1.321-1.221</p><p class="ql-block">M1.7×0.35:钻头直径1.35-1.421-1.321</p><p class="ql-block">M1.8×0.35:钻头直径1.45-1.521-1.421</p><p class="ql-block">M2.0×0.4:钻头直径1.60-1.679-1.567</p><p class="ql-block">M2.2×0.45:钻头直径1.75-1.838-1.713</p><p class="ql-block">M2.3×0.4:钻头直径1.90-1.979-1.867</p><p class="ql-block">M2.5×0.45:钻头直径2.10-2.138-2.013</p><p class="ql-block">M2.6×0.45:钻头直径2.20-2.238-2.113</p><p class="ql-block">M3.0×0.5:钻头直径2.50-2.599-2.459</p><p class="ql-block">M3.0×0.6:钻头直径2.40-2.44-2.280</p><p class="ql-block">M3.5×0.6:钻头直径2.90-3.010-2.850</p><p class="ql-block">M4.0×0.7:钻头直径3.30-3.422-3.242</p><p class="ql-block">M4.0×0.75:钻头直径3.25-3.326-3.106</p><p class="ql-block">M4.5×0.75:钻头直径3.80-3.878-3.688</p><p class="ql-block">M5.0×0.8:钻头直径4.20-4.334-4.134</p><p class="ql-block">M5.0×0.9:钻头直径4.10-4.170-3.930</p><p class="ql-block">M6.0×1.0:钻头直径5.00-5.153-4.917</p><p class="ql-block">M7.0×1.0:钻头直径6.00-6.153-5.917</p><p class="ql-block">M8.0×1.25:钻头直径6.80-6.912-6.647</p><p class="ql-block">M9.0×1: 25:钻头直径7: 8: 9: 647</p><p class="ql-block">[M1: 4x: ml</p><p class="ql-block">2: 5</p><p class="ql-block">**:钻头直径: ml</p><p class="ql-block">1: 2</p><p class="ql-block">: 4: 6: 8: 6: 8: 6: 8: 6: 8: 6: 8: 6: 8: 6: 8: 6: 8: 6: 8: 6: 8</p><p class="ql-block"><br></p>