常用钻头、钻杆接头、钻铤螺纹尺寸表.doc

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1、常用钻头、钻杆接头、钻铤螺纹尺寸表序号钻头、钻杆、钻铤规格螺纹代号螺纹牙型螺距(mm)锥度倾斜角外螺纹锥体大端大径(mm)外螺纹锥体长度(mm)内螺纹有效螺纹最小长度（mm）内螺纹锥体长度(mm)内螺纹镗孔大端直径(mm)内螺纹锥体在端面小径(mm)1φ89钻铤23/8IF/NC26V0.0656.351:64°45′48″73.05076.279.492.174.667.782φ73钻杆/φ105钻铤27/8IF-NC31-211/2106.351:64°45′48″86.13188.992.1104.887.

2、780.863φ89钻杆/φ121钻铤/φ127钻铤31/2IF-NC38-311/3106.351:64°45′48″102.006101.6104.8117.5103.696.744φ146钻铤41/2FH-421V0.0405.081:47°7′30″121.717101.6104.8117.5123.8116.455φ146钻铤φ152钻铤/φ159钻铤4IF-NC464A11/4A10V0.0656.351:64°45′48″122.784114.3117.5130.2124.6117.516φ127钻

3、杆/φ165钻铤/φ178钻铤41/2IF-NC50411/4106.351:64°45′48″133.350114.3117.5130.2134.9128.077φ203钻铤51/2IF6.351:64°45′48″162.484127130.2142.9163.9157.218φ152钻头31/2REG/331V0.0405.081:47°7′30″88.90095.298.4111.190.583.639φ190钻头φ216钻头41/2REG/431V0.0405.081:47°7′30″117.47510

4、7.9111.1123.8119.1112.2110φ244.5钻头φ311钻头65/8REG/631V0.0506.351:64°45′48″152.197127.0130.2142.9154.0145.6011φ444.5钻头75/8REGV0.0506.351:47°7′30″177.800133.3136.5149.2180.2171.2412φ108立轴外加厚φ89钻杆细扣3.1751:161°47′24″93.724/88.977.1846780100.390.230