钻铤的尺寸规格

1、表1钻铤的尺寸规格钻铤螺纹型号外径D内径d长度Lmm台肩倒角直径DFmm参考的弯曲mminmmin强度比NC23-3179.431/831.811/4915076.22.57:1NC26-35(23/8IF)88.931/238.111/2915082.92.42:1NC31-41(27/8IF)104.841/850.829150100.42.43:1NC35-47120.743/450.829150114.72.58:1NC3850(31/2IF)127.0557.221/49150121.02.38:1NC44-60152.4657.221/49150或9450144.52.49:1NC

2、44-62158.861/457.221/49150或9450149.22.91:1NC46-62(4IF)158.861/471.4213/169150或9450150.02.63:1NC46-65(4IF)165.161/257.221/49150或9450154.82.76:1NC46-65(4IF)165.161/271.4213/169150或9450154.83.05:1NC46-67(4IF)171.463/457.221/49150或9450159.53.18:1NC50-67(41/2IF)171.463/471.4213/169150或9450159.52.37:1NC50

3、-70(41/2IF)177.8757.221/49150或9450164.72.54:1NC50-70(41/2IF)177.8771.4213/169150或9450164.72.73:1NC50-72(41/2IF)184.271/471.4213/169150或9450169.53.12:1NC50-77196.873/471.429150或9450185.32.70:1NC50-80203.2871.413/169150或9450190.165/8REG209.681/471.4213/169150或9450195.7NC61-90228.6971.4213/169150或94502

4、12.775/8REG241.391/276.239150或9450223.8NC70-97247.693/476.239150或9450232.6NC70-100254.01076.239150或9450237.385/8REG279.41176.239150或9450266.713/163.02:12.93:13.17:12.81:12.57:12.81:12.84:1机械性能钻铤岸抗拉伸服r强强长一,jJB、外径OD度率b40.2Mp%Mpaammininch75979.4-171.431/8-63/48651螺纹连掺谱戒期分蕙槽布氏硬度HB夏比冲击功AKVJ285-34154177.8

5、-279.47-11930内螺纹圆柱内螺纹圆柱外螺纹槽直可替代内螺纹台肩内螺纹台肩l-A-t.TT.段直径段后的锥孔径DG+0,向全力分散槽长度钻铤螺纹类型Dcb锥度+0LRG长度+0M59mm+0.40,-0i20.83-0.79-3.18mmmm/mmmmmNC3582.682.15166.6782.1585.73NC38(31/2IF)88.988.11166.6789.3092.08NC44101.6101.60166.67106.36104.78NC46(4IF)101.6106.76166.67109.93104.78NC50(41/2IF)101.6117.48166.67120.65104.78NC56114.3121.84250.00134.14117.48NC61127.0132.95250.00149.25130.18NC70139.7152.00250.00171.05142.8865/8REG114.3134.14166.67137.72117.4875/8REG120.7133.35250.