螺纹拧紧力矩表.doc

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1、螺钉拧紧力矩表公称直径M3M4M5M6M8M10M12M16M20M24拧紧力矩（N·m）0.61.63.03.58.316.428.571137235施力操作要领(参考)只加腕力只加腕力只加腕力只加腕力加腕力、肘力加全身臂力加上半身力加全身力压上全身重量压上全身重量螺栓拧紧力矩表螺纹类型螺栓规格5.6级（N·m）8.8级（N·m）10.9级（N·m）12.9级（N·m）粗牙螺纹M2---0.30.40.45M2.5---0.60.80.9M3---1.21.51.8M3.5---2.22.53M4---34.45.1M

2、5---5.98.710M65~79~1213~1616~21M812~1522~3030~3638~51M1025~3245~5965~7875~100M1245~5578~104110~130131~175M1470~90124~165180~201209~278M16110~140193~257280~330326~434M18150~190264~354380~450448~597M20210~270376~502540~650635~847粗牙六角螺母施加扭矩表螺纹类型螺栓规格6级（N·m）8级（N·m）9级（

3、N·m）10级（N·m）粗牙六角螺母minmaxminmaxminmaxminmaxM30.81.21.11.61.21.71.52.3M41.92.72.53.72.84.13.75.3M53.85.65.07.45.68.27.210.6M66.49.58.412.49.514.012.117.8M815.523.1203023342943M1030.645.9416046685985M1253807110580118102150M1485127112168127187161240M16133199175260198

4、292250371M18183273255372------353513M20260389355520------491718M22351527500705------675989M24447670620928------8571283