公英制管螺纹对照表

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1、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，1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D1、d11/16280.9077.7236.5611/8280.9079.7288.5661/4191.33713.15711.4453/8191.33716.66214.951/2141.81

2、420.95518.6315/8141.81422.91120.5873/4141.81426.44124.1177/8141.81430.20127.8771112.30933.24930.2911-1/8112.30937.89734.9391-1/4112.30941.9138.9521-1/2112.30947.80344.8451-3/4112.30953.74650.7882112.30959.61456.6562-1/4112.30965.7162.7522-1/2112.30975.18472.2262-3/4112.30981.53478.5783112.30987.8848

3、4.9263-1/2112.309100.3397.3724112.309113.03110.0725112.309138.43135.4726112.309163.83160.872注：1in=25.4mm1、用螺纹密封的管螺纹其标记及各种螺纹的特征代号规定如下：Rc—圆锥内螺纹Rp—与圆锥外螺纹配合的圆柱内螺纹R—圆锥外螺纹标准规定将螺纹尺寸代号写在特征代号之后，若螺纹为械旋应再加写左旋代号LH，具体示例如下：圆锥内螺纹：Rc1/2左旋圆柱内螺纹：Rp1/2—LH圆柱内螺纹与圆锥外螺纹的配合：Rp2/R22、非螺纹密封的管螺纹标记如下：A级外螺纹：G1/2A内螺纹：G1/2左旋B级外螺纹：

4、G1/2B—LH螺纹副G1/2G1/2A中华标准件网首页

5、添加到收藏夹供货

6、需求

7、现货

8、标准查询

9、 汇聚标准件商友-交流分享互助     窗体顶端窗体底端  首  页贸易交流技术交流商友交流专家文章休闲茶楼共享下载论坛事务  您当前的位置：标准件论坛 → 技术交流 → 英制螺纹对照表   首页  上页  1  2  下页  末页  上一主题 

10、 下一主题 英制螺纹对照表发表于:2010-7-159:49:30wcn311614身份：一般用户类型：个人用户注册时间：2011-2-26经验值：8315发帖总数：2189回复总数：1065 英美制特制螺纹对照表(附图)英制美制迫牙丝攻钻孔径对照表图美

11、制螺纹和英制管螺纹对照表英制美制联合螺纹和英美美联细螺纹对照表英制螺纹规格和公制螺纹规格对照表 6g 外螺纹大径6H 内螺纹小径序号规格型号最大最小公差最大最小公差1M10*19.9749.7940.1809.1578.9170.2402M12*1.511.96811.7320.23610.67610.3760.3003M14*1.513.96813.7320.23612.67612.3760.3004M16*1.515.96815.7320.23614.67614.3760.3005M18*1.517.96817.7320.23616.67616.3760.3006M20*1.519.968

12、19.7320.23618.67618.3760.3007M22*1.521.96821.7320.23620.67620.3760.3008M24*1.523.96823.7320.23622.67622.3760.3009M26*1.525.96825.7320.23624.67624.3760.30010M27*1.526.96826.7320.23625.67625.3760.30011M30*1.529.96829.7320.23628.67628.3760.30012M27*226.96226.6820.28025.21024.8350.37513M30*229.96229.682

13、0.28028.21027.8350.37514M33*232.96232.6820.28031.21030.8350.37515M36*235.96235.6820.28034.21033.8350.37516M42*241.96241.6820.28040.21039.8350.375        1G1/8-289.7289.5140.2148.8488.5660.2822G1/4-191