公英制管螺纹对照表.doc

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1、公英制管螺纹对照表　　求公英制管螺纹对照表！55度和60度牙型角的区别55度是英制。　　美国有美制和公制。　　美制和公制都是60度。　　好多地方都有对照表。　　UNF谁知道是什么意思？UNF－统一制细牙螺纹（代替NF）Unifiedfinepitchthread(InsteadofNF)管螺纹是用英寸表示，11英寸=25.4mm,你可以直接把英寸换算成公制的毫米管螺纹与标准螺纹换算标准尺寸代号每英寸牙数螺距螺纹直径（in)np大径D、d小径D　　1、d11/16280.9077.7236.5611/

2、8280.9079.7288.5661/4191.33713.15711.4453/8191.33716.66214.951/2141.81420.95518.6315/8141.81422.91120.5873/4141.81426.44124.1177/8141.81430.xx7.8771112.30933.24930.2911-1/8112.30937.89734.9391-1/4112.30941.9138.9521-1/2112.30947.80344.8451-3/4112.30953

3、.74650.7882112.30959.61456.6562-1/4112.30965.7162.7522-1/2112.30975.18472.2262-3/4112.30981.53478.5783112.30987.88484.9263-1/2112.309100.3397.3724112.309113.03110.0725112.309138.43135.4726112.309163.83160.872注1in=25.4mm　　公英制管螺纹对照表　　求公英制管螺纹对照表！55度和60度牙型

4、角的区别55度是英制。　　美国有美制和公制。　　美制和公制都是60度。　　好多地方都有对照表。　　UNF谁知道是什么意思？UNF－统一制细牙螺纹（代替NF）Unifiedfinepitchthread(InsteadofNF)管螺纹是用英寸表示，11英寸=25.4mm,你可以直接把英寸换算成公制的毫米管螺纹与标准螺纹换算标准尺寸代号每英寸牙数螺距螺纹直径（in)np大径D、d小径D　　1、d11/16280.9077.7236.5611/8280.9079.7288.5661/4191.33713.

5、15711.4453/8191.33716.66214.951/2141.81420.95518.6315/8141.81422.91120.5873/4141.81426.44124.1177/8141.81430.xx7.8771112.30933.24930.2911-1/8112.30937.89734.9391-1/4112.30941.9138.9521-1/2112.30947.80344.8451-3/4112.30953.74650.7882112.30959.61456.6562

6、-1/4112.30965.7162.7522-1/2112.30975.18472.2262-3/4112.30981.53478.5783112.30987.88484.9263-1/2112.309100.3397.3724112.309113.03110.0725112.309138.43135.4726112.309163.83160.872注1in=25.4mm　　公英制管螺纹对照表　　求公英制管螺纹对照表！55度和60度牙型角的区别55度是英制。　　美国有美制和公制。　　美制和公制都是

7、60度。　　好多地方都有对照表。　　UNF谁知道是什么意思？UNF－统一制细牙螺纹（代替NF）Unifiedfinepitchthread(InsteadofNF)管螺纹是用英寸表示，11英寸=25.4mm,你可以直接把英寸换算成公制的毫米管螺纹与标准螺纹换算标准尺寸代号每英寸牙数螺距螺纹直径（in)np大径D、d小径D　　1、d11/16280.9077.7236.5611/8280.9079.7288.5661/4191.33713.15711.4453/8191.33716.66214.951

8、/2141.81420.95518.6315/8141.81422.91120.5873/4141.81426.44124.1177/8141.81430.xx7.8771112.30933.24930.2911-1/8112.30937.89734.9391-1/4112.30941.9138.9521-1/2112.30947.80344.8451-3/4112.30953.74650.7882112.30959.61456.6562-1/4112.30965.7