公制普通螺纹规格.xls

第 1 页普通螺纹公称直径D,d螺距P中径D2或d2小径D1或d1第一系列 第二系列 第三系列10.250.8380.729第一列常用粗牙，其余为细牙;10.20.8700.784优先第一系列，其次第二系列，第三系列尽可能不用；1.10.250.9380.8291.10.20.9700.8841.20.251.0380.929M14x1.25仅用于火花塞；1.20.21.0700.984M35x1.5仅用于滚动轴承锁紧；1.40.31.2051.075对直径150600的螺纹，需要使用螺距大于6mm的螺纹时，应优先选用8mm的螺距。1.40.21.2701.1841.60.351.3731.2211.60.21.4701.3841.80.351.5731.421D,d内外螺丝大径（公称直径）1.80.21.6701.584D2，d2内外螺纹中径20.41.7401.567D1，d1内外螺纹小径20.251.8381.729D1(d1)=D(d)-2*5/8H2.20.451.9081.713D2(d2)=D(d)-2*3/8H2.20.252.0381.929H=根号3/2P=0.866P2.50.452.2082.013当知D1（d1）小径时，可插入装饰螺纹线2.50.352.2732.12130.52.6752.45930.352.7732.6213.50.63.1102.8513.50.353.2733.12140.73.5453.24240.53.6753.4594.50.754.0133.6884.50.54.1753.95950.84.4804.13450.54.6754.459615.3514.91860.755.5135.188716.3515.91870.756.5136.18881.257.1886.647817.3516.91880.757.5137.18891.258.1887.647918.3517.91890.758.5138.188101.59.0268.376101.259.1888.6471019.3518.918100.759.5139.188111.510.0269.37611110.3519.918110.7510.51310.188121.7510.86310.106121.511.02610.376121.2511.18810.64712111.35110.91814212.70111.835141.513.02612.376第 2 页141.2513.18812.64714113.35112.918151.514.02613.37615114.35113.91816214.70113.835161.515.02614.37616115.35114.918171.516.02615.37617116.35115.918182.516.37615.29418216.70115.835181.517.02616.37618117.35116.918202.518.37617.29420218.70117.835201.519.02618.37620119.35118.918222.520.37619.29422220.70119.835221.521.02620.37622121.35120.91824322.05220.75324222.70121.835241.523.02622.37624123.35122.91825223.70122.835251.524.02623.37625124.35123.918261.525.02624.37627325.05223.75327225.70124.835271.526.02625.37627126.35125.91828226.70125.835281.527.02626.37628127.35126.918303.527.72726.21130328.05226.75330228.70127.835301.529.02628.37630129.35128.91832230.70129.835321.531.02630.376333.530.72729.21133331.05229.75333231.70130.835331.532.02631.376351.534.02633.37636433.40231.67036334.05232.75336234.70133.835361.535.02634.376381.537.02636.37639436.40234.670第 3 页39337.05235.75339237.70136.835391.538.02637.37640338.05236.75340238.70137.835401.539.02638.376424.539.07737.12942439.40237.67042340.05238.75342240.70139.835421.541.02640.376454.542.07740.12945442.40240.67045343.05241.75345243.70142.835451.544.02643.37648544.75342.58848445.40243.67048346.05244.75348246.70145.835481.547.02646.37650348.05246.75350248.70147.835501.549.02648.37652548.75346.58852449.40247.67052350.05248.75352250.70149.835521.551.02650.37655452.40250.67055353.05251.75355253.70152.835551.554.02653.376565.552.42850.04656453.40251.67056354.05252.75356254.70153.835561.555.02654.37658455.40253.67058356.05254.75358256.70155.835581.557.02656.376605.556.42854.04660457.40255.67060358.05256.75360258.70157.835601.559.02658.37662459.40257.67062360.05258.75362260.70159.835621.561.02660.37664660.10357.50564461.40259.67064362.05260.753第 4 页64262.70161.835641.563.02662.37665462.40260.67065363.05261.75365263.70162.835651.564.02663.37668664.10361.50568465.40263.67068366.05264.75368266.70165.835681.567.02666.37670666.10363.50570467.40265.67070368.05266.75370268.70167.835701.569.02668.37672668.10365.50572469.40267.67072370.05268.75372270.70169.835721.571.02670.37675472.40270.67075373.05271.75375273.70172.835751.574.02673.37676672.10369.50576473.40271.67076374.05272.75376274.70173.835761.575.02674.37678276.70175.83580676.10373.50580477.40275.67080378.05276.75380278.70177.835801.579.02678.37682280.70179.83585681.10378.50585482.40280.67085383.05281.75385283.70182.83590686.10383.50590487.40285.67090388.05286.75390288.70187.83595691.10388.50595492.40290.67095393.05291.75395293.70192.835100696.10393.505100497.40295.670100398.05296.753100298.70197.8351056101.10398.505第 5 页1054102.402100.6701053103.052101.7531052103.701102.8351106106.103103.5051104107.402105.6701103108.052106.7531102108.701107.8351156111.103108.5051154112.402110.6701153113.052111.7531152113.701112.8351206116.103113.5051204117.402115.6701203118.052116.7531202118.701117.8351258119.804116.3401256121.103118.5051254122.402120.6701253123.052121.7531252123.701122.8351308124.804121.3401306126.103123.5051304127.402125.6701303128.052126.7531302128.701127.8351356131.103128.5051354132.402130.6701353133.052131.7531352133.701132.8351408134.804131.3401406136.103133.5051404137.402135.6701403138.052136.7531402138.701137.8351456141.103138.5051454142.402140.6701453143.052141.7531452143.701142.8351508144.804141.3401506146.103143.5051504147.402145.6701503148.052146.7531502148.701147.8351556151.103148.5051554152.402150.6701553153.052151.7531608154.804151.3401606156.103153.5051604157.402155.6701603158.052156.7531656161.103158.5051654162.402160.6701653163.052161.7531652163.701162.835第 6 页1708164.804161.3401706166.103163.5051704167.402165.6701703168.052166.7531756171.103168.5051754172.402170.6701753173.052171.7531808174.804171.3406-3.897-6.4954-2.598-4.3303-1.949-3.2481856181.103178.5051854182.402180.6701853183.052181.7531908184.804181.3401906186.103183.5051904187.402185.6701903188.052186.7531956191.103188.5051954192.402190.6701953193.052191.7532008194.804191.3402006196.103193.5052004197.402195.6702003198.052196.7532056201.103198.5052054202.402200.6702053203.052201.7532108204.804201.3402106206.103203.5052104207.402205.6702103208.052206.7532156211.103208.5052154212.402210.6702153213.052211.7532208214.804211.3402206216.103213.5052204217.402215.6702203218.052216.7532256221.103218.5052254222.402220.6702253223.052221.7532308224.804221.3402306226.103223.5052304227.402225.6702303228.052226.7532356231.103228.5052354232.402230.6702353233.052231.7532408234.804231.3402406236.103233.5052404237.402235.6702403238.052236.7532456241.103238.505第 7 页2454242.402240.6702453243.052241.7532508244.804241.3402506246.103243.5052504247.402245.6702503248.052246.7532556251.103248.5052554252.402250.6702608254.804251.3402606256.103253.5052604257.402255.6702656261.103258.5052654262.402260.6702708264.804261.3402706266.103263.5052704267.402265.6702756271.103268.5052754272.402270.6702808274.804271.3402806276.103273.5052804277.402275.6702856281.103278.5052854282.402280.6702908284.804281.3402906286.103283.5052904287.402285.6702956291.103288.5052954292.402290.6703008294.804291.3403006296.103293.5053004297.402295.670