完整版本钻铤的尺寸规格

1、表1钻铤的尺寸规格钻铤螺纹型号外径D内径d长度Lm m台肩倒角直径DFmm参考的弯曲 强度比m mhm minNC23-3179.43 1/831.81 1/4915076.22.57:1NC26-35 3/8F)88.93 1/238.11 1/2915082.92.42:1NC31-41(2 7/SF)104.84 1/850.829150100.42.43:1NC35-47120.74 3/150.829150114.72.58:1NC3850(3 1/2F)127.0557.22 1A9150121.02.38:1NC44-60152.4657.22 1/49150 或 9450144

2、.52.49:1NC44 七 2158.86 1/157.22 1A9150 或 9450149.22.91:1NC46-62(4F)158.86 lA71.4213/169150 或 9450150.02.63:1NC46-65(4F)165.1657.22 1A9150 或 9450154.82.76:1NC46-65(1F)165.16 1/271.4213/169150 或 9450154.83.05:1NC46-67(4F)171.46 3/157.22 1/49150 或 9450159.53.18:1NC50-67 (l 1/F)171.46 3/171.4213/169150

3、或 9450159.52.37:1NC50-70(l 1/SF)177.8757.22 1/49150 或 9450164.72.54:1NC50-70(l 1Q1F)177.8771.4213/169150 或 9450164.72.73:1NC50T2 1/2F)184.27 lA71.4213/169150 或 9450169.53.12:1NC50-77196.87 3/171.429150 或 9450185.32.70:113/16NC50-80203.2871.413/169150 或 9450190.13.02:16 5/SREG209.68 lA71.4213/169150

4、或 9450195.72.93:1NC61-90228.6971.4213/169150 或 9450212.73.17:17 5/SREG241.3976.239150 或 9450223.82.81:1NC70-97247.69 3/176.239150 或 9450232.62.57:1NC70-100254.01076.239150 或 9450237.32.81:18 5/SREG279.41176.239150 或 9450266.72.84:1外径0 Dm min inch79.4-171.43 1/8-6 3/1177.8-279.47-11机械性能（钻铤）屈抗拉伸月艮长强强度

5、率布氏硬度HB度b40.2M p%M paa2 752986521螺纹连接部位应力分散槽M 629Z285-341930夏比冲击功AKVJ钻铤螺纹类型内螺纹台肩面至后一牙长度1.59m mNC3582.6NC38(3 1/2F)88.9NC44101.6NC46(4F)101.6NC50 1/2F)101.6NC56114.3NC61127.0NC70139.76 5/8REG114.37 5/8REG120.78 5怡REG123.8注：NC23、26、31 与 2内螺纹圆柱内螺纹圆柱外螺纹槽直段直径段后的锥孔径 D g+0,D cb锥度+0+0.40,-020.83079m mm m /fnm m82.15166.6782.1588.11166.6789.30101.60166.67106.36106.76166.67109.93117.48166.67120.65121.84250.00134.14132.95250.00149.25152.00250.00171.05134.14166.67137.72133.35250.00162.72149.25250.00184.94可替代内