1、六角头螺栓和六角螺母尺寸螺栓强度等级公制螺纹六角对边尺寸3.6级（4D）5.6级（5D）6.8级（6G）预紧力 N 最大扭矩 N 预紧力 N 最大扭矩 N 预紧力 NM242840.123780.16731M2.34.54070.205440.261049M2.655250.287010.371353M35.57260.449660.591863M3.569716.812940.902501M471255116771.343226M58.920591.9627362.655286M61029033.4338644.517453M710,1242375.5956497.4510885M813,1
2、453158.24709010.7913680M1015,16,17847316.671127821.5721771M1218,19,201235628.441647538.2531773M1421,22,231696645.112265460.8043640M1624,25,262334069.633108793.1660017M1827,282834195.1337854127.4972962M203034681135.3348641180.4493850M2232,3445601182.4060802245.17117190M243652564230.4670020308.9113533
3、3M274169235343.2392281460.92177992M304684044465.82112287622.73215748M3350104932632.53139746848.28269685M3655123074813.961642631088.54316757M39601480811059.121971151412.17380500M42651691661304.29225541745.59435418M45701980961637.722647812177.09509949M48752226121980.962971432638573693M52802489142539.9
4、43569643393.12688431M56853089113167.574118824226.69793363M60903608873932.494815095246.69927715M64954079594736.645442726305.711049318M68100466017578862211077271198976M72105526881691370336092281355568M761105992128275799919110471541663M801156711799625895991128491726819M901308686301409815367002494122348
5、24M1001451091415196131656985261822808008M1101551339625263911788335352303446609M1201751613269345882153636461744150644M13018519119574430002553238591594920786M1402002237179557063115172775685755849M15021025865436890634529109198666546998.8级（8G）10.9级（10K）12.9级（12K）最大扭矩 N 预紧力 N 最大扭矩 N 预紧力 N 最大扭矩 N 预紧力 N 最大
6、扭矩 N0.318630.3712160.5214610.630.51112450.6017550.8420991.010.7315980.8622461.2126971.451.1322071.3431091.8837272.261.7429622.0641682.8950013.482.6038253.0453744.3164535.155.1062576.0388068.481059110.208.73883610.301240514.711490617.6514.221294517.161819124.522177128.4421.571623025.502275235.3027361
7、42.1742.172579250.013628570.614354285.3273.553765887.2852956122.5863547147.10116.7051681138.2772668194.1787280235.36178.4871197210.84100028299.10120132357.94245.1786495289.30121603411.88146120490.34348.14111306411.88156417578.50187798696.28470.72139255558.98195644784.54234380941.44598.21160340710.99
8、2255541000.282706651196.42887.512108441049.322961631480.813559841775.011206.232559551421.973599062010.384324762402.641627.913196991931.92449172716.465393693265.632098.643746162481.105276013491.196325334197.272716.464511093226.416335134530.707610015442.723363.705158333991.337256975609.448708366727.40
9、4207.086040934991.628502427011.8010198998418.166060.556796056021.329561548473114738510149.946541.808159187747.30114738510885.45137784313091.968149.389404639649.80132390613582.29158868716279.1410100.91109835111964.20154455716867.54185346820201.8212160.32124545214415.90175049820299.89209863624320.641489114206721764519975392480923956912975417785160622021074225842729631270857835537212901826725252272476320461182934136271264805542978504603327225597906789840839068045388990114015143321177281螺栓强度等级6.8级（6G）
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