钻铤的尺寸规格

1、.表 1钻铤的尺寸规格外径 D内径 d长度 Lmm台肩倒角直径 DFmm参考的弯曲钻铤螺纹型号强度比mminmminNC23-3179.43 1/831.811/4915076.22.57:1NC26-35(2 3/8IF)88.93 1/238.111/2915082.92.42:1NC31-41(2 7/8IF)104.84 1/850.829150100.42.43:1NC35-47120.74 3/450.829150114.72.58:1NC3850(3 1/2IF)127.0557.221/49150121.02.38:1NC44-60152.4657.221/49150或9450

2、144.52.49:1NC44-62158.86 1/457.221/49150或9450149.22.91:1NC46-62(4IF)158.86 1/471.429150或9450150.02.63:113/16NC46-65(4IF)165.16 1/257.221/49150或9450154.82.76:1NC46-65(4IF)165.16 1/271.429150或9450154.83.05:113/16NC46-67(4IF)171.46 3/457.221/49150或9450159.53.18:1NC50-67(4 1/2IF)171.46 3/471.429150或9450

3、159.52.37:113/16NC50-70(4 1/2IF)177.8757.221/49150或9450164.72.54:1NC50-70(4 1/2IF)177.8771.429150或9450164.72.73:113/16NC50-72(4 1/2IF)184.27 1/471.429150或9450169.53.12:113/16NC50-77196.87 3/471.429150或9450185.32.70:1.13/16NC50-80203.2871.429150或9450190.13.02:113/166 5/8REG209.68 1/471.429150或9450195

4、.72.93:113/16NC61-90228.6971.429150或9450212.73.17:113/167 5/8REG241.39 1/276.239150或9450223.82.81:1NC70-97247.69 3/476.239150或9450232.62.57:1NC70-100254.01076.239150或9450237.32.81:18 5/8REG279.41176.239150或9450266.72.84:1机械性能 (钻铤）屈抗拉伸服强长强度率布氏硬度 HB夏比冲击功 AKVJ外径 OD度b40.2Mp%Mpaammin inch79.4-171.4 7593

5、1/8-6 3/46518285-341 54螺纹连接部位应力分散槽177.8-279.4 68937-11309.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面至力分散槽长度段直径段后的锥孔径 D G+0,面至后一牙LRG钻铤螺纹类型Dcb锥度+0长度+0+0.40,-0±20.83-0.79±1.59mm-3.18mmmm/mmmmmNC3582.682.15166.6782.1585.73NC38(3 1/2IF)88.988.11166.6789.3092.08NC44101.6101.60166.67106.36104.78NC46(4IF)101.6106.76166.67109.93104.78NC50(4 1/2IF)101.6117.48166.67120.65104.78NC56114.3121.84250.00134.14117.48NC61127.0132.95250.00149.25130.18NC70139.7152.00250.00171.05142.886 5/8REG114.3134.14166.67137.72117.487 5/8REG120.7133.35250.0016