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1、求公英制管螺紋對(duì)照表! 55度 和60度牙型角的區(qū)別 55度是英制。美國(guó)有美制和公制。美制和公制都是60度。好多地方都有對(duì)照表。 unf誰(shuí)知道是什么意思? unf統(tǒng)一制細(xì)牙螺紋(代替nf)unified fine pitch thread ( instead of nf ) 管螺紋是用英寸表示,1英寸=25.4mm,你可以直接把英寸換算成公制的毫米 管螺紋與標(biāo)準(zhǔn)螺紋換算標(biāo)準(zhǔn)尺寸代號(hào) 每英寸牙數(shù) 螺 距 螺紋 直 徑(in) n p 大徑d、d 小徑d1、d11/16 28 0.907 7.723 6.5611/8 28 0.907 9.728 8.5661/4 19 1.337 13.157
2、11.4453/8 19 1.337 16.662 14.951/2 14 1.814 20.955 18.6315/8 14 1.814 22.911 20.5873/4 14 1.814 26.441 24.1177/8 14 1.814 30.201 27.8771 11 2.309 33.249 30.2911-1/8 11 2.309 37.897 34.9391-1/4 11 2.309 41.91 38.9521-1/2 11 2.309 47.803 44.8451-3/4 11 2.309 53.746 50.7882 11 2.309 59.614 56.6562-1/4
3、11 2.309 65.71 62.7522-1/2 11 2.309 75.184 72.2262-3/4 11 2.309 81.534 78.5783 11 2.309 87.884 84.9263-1/2 11 2.309 100.33 97.3724 11 2.309 113.03 110.0725 11 2.309 138.43 135.4726 11 2.309 163.83 160.872注:1in=25.4mm 1、用螺紋密封的管螺紋其標(biāo)記及各種螺紋的特征代號(hào)規(guī)定如下:rc圓錐內(nèi)螺紋rp與圓錐外螺紋配合的圓柱內(nèi)螺紋r圓錐外螺紋標(biāo)準(zhǔn)規(guī)定將螺紋尺寸代號(hào)寫在特征代號(hào)之后,若螺紋為械
4、旋應(yīng)再加寫左旋代號(hào)lh,具體示例如下:圓錐內(nèi)螺紋:rc1/2左旋圓柱內(nèi)螺紋:rp1/2lh圓柱內(nèi)螺紋與圓錐外螺紋的配合:rp2/r22、非螺紋密封的管螺紋標(biāo)記如下:a級(jí)外螺紋:g1/2a內(nèi)螺紋:g1/2左旋b級(jí)外螺紋:g1/2blh螺紋副g1/2g1/2a中華標(biāo)準(zhǔn)件網(wǎng)首頁(yè)| 添加到收藏夾 供 貨 | 需 求 | 現(xiàn) 貨 | 標(biāo)準(zhǔn)查詢 | 匯聚標(biāo)準(zhǔn)件商友-交流 分享 互助 窗體底端首頁(yè)貿(mào)易交流技術(shù)交流商友交流專家文章休閑茶樓共享下載論壇事務(wù)您當(dāng)前的位置:標(biāo)準(zhǔn)件論壇技術(shù)交流英制螺紋對(duì)照表 首頁(yè)上頁(yè)12下頁(yè)末頁(yè)上一主題|下一主題英制螺紋對(duì)照表發(fā)表于:2010-7-15 9:49:30wcn31161
5、4身份:一般用戶類型:個(gè)人用戶注冊(cè)時(shí)間:2011-2-26經(jīng)驗(yàn)值:8315發(fā)帖總數(shù): 2189回復(fù)總數(shù): 1065英美制特制螺紋對(duì)照表(附圖)英制美制迫牙絲攻鉆孔徑對(duì)照表圖美制螺紋和英制管螺紋對(duì)照表英制美制聯(lián)合螺紋和英美美聯(lián)細(xì)螺紋對(duì)照表英制螺紋規(guī)格和公制螺紋規(guī)格對(duì)照表 6g外螺紋大徑6h內(nèi)螺紋小徑序號(hào)規(guī)格型號(hào)最大最小公差最大最小公差1m10*19.9749.7940.1809.1578.9170.2402m12*1.511.96811.7320.23610.67610.3760.3003m14*1.513.96813.7320.23612.67612.3760.3004m16*1.515.96
6、815.7320.23614.67614.3760.3005m18*1.517.96817.7320.23616.67616.3760.3006m20*1.519.96819.7320.23618.67618.3760.3007m22*1.521.96821.7320.23620.67620.3760.3008m24*1.523.96823.7320.23622.67622.3760.3009m26*1.525.96825.7320.23624.67624.3760.30010m27*1.526.96826.7320.23625.67625.3760.30011m30*1.529.96829.
7、7320.23628.67628.3760.30012m27*226.96226.6820.28025.21024.8350.37513m30*229.96229.6820.28028.21027.8350.37514m33*232.96232.6820.28031.21030.8350.37515m36*235.96235.6820.28034.21033.8350.37516m42*241.96241.6820.28040.21039.8350.3751g1/8-289.7289.5140.2148.8488.5660.2822g1/4-1913.15712.9070.25011.8901
8、1.4450.4453g3/8-1916.66216.4120.25015.39514.9500.4454g1/2-1420.95520.6710.28419.17218.6310.5415g3/4-1426.44126.1570.28424.65824.1170.5416g1-1133.24932.8890.36030.93130.2910.6407g11/4-1141.91041.5500.36039.59238.9520.6408g11/2-1147.80347.4430.36045.48544.8450.640英制螺紋的識(shí)別英寸制統(tǒng)一螺紋,在英寸制國(guó)家廣泛采用,該類螺紋分三個(gè)系列:粗牙
9、系列unc,細(xì)牙系列unf,特細(xì)牙系列unff,外加一個(gè)定螺距系列un。標(biāo)注方法:螺紋直徑每英寸牙數(shù)系列代號(hào)精度等級(jí)示例:粗牙系列3/816unc2a細(xì)牙系列3/824unf2a特細(xì)牙系列3/832unff2a定螺距系列3/820un2a第一位數(shù)字3/8表示螺紋外徑,單位為英寸,轉(zhuǎn)換為米制單位mm要乘以25.4,即3/825.4=9.525mm;第二、三位數(shù)字16、24、32、20為每英寸牙數(shù)(在25.4mm長(zhǎng)度上的牙數(shù));第三位以后的文字代號(hào)unc、unf、unff、un為系列代號(hào),最后兩位2a為精度等級(jí)。英制管螺紋對(duì)照表如下:公稱直徑螺距底孔直徑底孔深度公稱直徑螺距底孔直徑底孔深度g1/4
10、1.33711.420(19)zg1/80.9078.115(28)g3/81.33714.924(19)zg1/41.33710.820(19)g3/41.81424.131(14)zg1/21.81417.929(14)g12.30930.337(11)zg3/41.81423.231(14)g1-1/42.30938.940(11)g12.30929.237(11)g1-1/22.30944.842(11)1-1/42.30937.740(11)g22.30956.644(11)zg1-1/22.30943.542(11)zg22.30955.044(11)注:1in=25.4mm1、用
11、螺紋密封的管螺紋其標(biāo)記及各種螺紋的特征代號(hào)規(guī)定如下:rc圓錐內(nèi)螺紋rp與圓錐外螺紋配合的圓柱內(nèi)螺紋r圓錐外螺紋標(biāo)準(zhǔn)規(guī)定將螺紋尺寸代號(hào)寫在特征代號(hào)之后,若螺紋為械旋應(yīng)再加寫左旋代號(hào)lh,具體示例如下:圓錐內(nèi)螺紋:rc1/2左旋圓柱內(nèi)螺紋:rp1/2lh圓柱內(nèi)螺紋與圓錐外螺紋的配合:rp2/r22、非螺紋密封的管螺紋標(biāo)記如下:a級(jí)外螺紋:g1/2a內(nèi)螺紋:g1/2左旋b級(jí)外螺紋:g1/2blh螺紋副g1/2g1/2a英制管螺紋美制管螺紋對(duì)照表英制管螺紋英制管螺紋美制管螺紋規(guī)格標(biāo)準(zhǔn)徑鉆孔徑規(guī)格標(biāo)準(zhǔn)徑有交牙部之長(zhǎng)度(最小)中之毋螺牙內(nèi)徑標(biāo)準(zhǔn)長(zhǎng)度(最小)中之毋螺牙內(nèi)徑規(guī)格鉆孔徑最大最小使用紋刀時(shí)不用紋刀
12、時(shí)nptnps使用絞刀時(shí)不用絞刀時(shí)ps1/16-286.56.6326.49pt1/16-286.16.26.2446.3841/16-276.16.256.35ps1/8-288.58.6378.495pt1/8-288.18.28.2498.3882001-8-278.338.438.74ps1/4-1911.411.54911.341pt1/4-1910.71110.96211.1742001-4-1810.7211.1311.13ps3/8-191515.05414.846pt3/8-1914.214.514.44814.6582003-8-1814.2714.2714.68ps1/2
13、-1418.518.77318.489pt1/2-1417.61817.97918.2632001-2-1417.4817.8618.26ps3/4-142424.25923.975pt3/4-142323.523.37823.6632003-4-1422.6323.0123.42ps1-1130.230.47130.111pt1-112929.529.45929.8221-11-1/228.5828.9829.36ps1-1/4-1138.839.13238.772pt1-1/4-1137.53837.97638.3391-1/4-11-1/237.3137.6938.1ps1-1/2-11
14、44.845.02544.665pt1-1/2-1143.44443.86944.2321-1/2-11-1/243.6644.0444.45ps2-1156.556.83656.476pt2-1154.955.555.41255.844國(guó)內(nèi)外實(shí)踐表明,螺紋緊固件的緊固,并不是像有些人想象得那樣,不就是螺絲螺帽嗎?用扳手?jǐn)Q緊就行了吧。螺紋緊固的方式方法很多,但是最簡(jiǎn)單的、最常用的還是使用手工扳擰工具進(jìn)行擰緊,這種緊固手段雖然容易操作,但是,對(duì)于高強(qiáng)度或者重要的連接緊固中是絕對(duì)不行的,也是絕對(duì)不允許的,這一點(diǎn)恐怕極易被人忽視。因?yàn)槭褂檬止ぐ鈹Q工具進(jìn)行擰緊的方法是無(wú)法控制軸向預(yù)緊力的,也是會(huì)影響螺
15、紋連接體的可靠性,甚至?xí)苯佑绊懻麢C(jī)或工程的性能和質(zhì)量。因此,在螺紋緊固件的連接設(shè)計(jì)中應(yīng)該明確提出確切的初始預(yù)緊力的指標(biāo)要求,在裝配工藝或施工規(guī)范中,根據(jù)設(shè)計(jì)要求,應(yīng)制訂切實(shí)可行的方案,采用合適的擰緊方法,準(zhǔn)確控制,來確保設(shè)計(jì)目標(biāo)的實(shí)施,是非常必要的。在這方面鋼結(jié)構(gòu)工程多年來積累了許多經(jīng)驗(yàn)。汽車行業(yè)在技術(shù)引進(jìn)中,通過吸收消化過程,也廣泛地采用了國(guó)際先進(jìn)技術(shù),在這方面做了很多基礎(chǔ)研究工作。目前,在各行業(yè)中不論是在螺紋緊固件連接緊固的連接理論、檢測(cè)試驗(yàn)、還是現(xiàn)場(chǎng)裝配使用研究工作都引起了足夠的重視。所以,標(biāo)準(zhǔn)中對(duì)螺紋緊固的基本要求雖然只有一段話,但意義深刻。相關(guān)鏈接:英制螺紋的表示方法英制螺紋標(biāo)注方
16、法最后修改于 2011-5-23 9:37:56簽名檔: 標(biāo)準(zhǔn)件緊固件螺絲螺栓軸承網(wǎng)120身份:一般用戶類型:個(gè)人用戶注冊(cè)時(shí)間:2010-9-1經(jīng)驗(yàn)值:828發(fā)帖總數(shù): 63回復(fù)總數(shù): 561第1樓回復(fù)發(fā)表于 2010-7-15 16:17:13引用回復(fù)英制螺紋是螺紋標(biāo)準(zhǔn)的一種,按外形分圓柱、圓錐兩種;按牙型角分55、60兩種。螺紋中的1/4、1/2、1/8標(biāo)記是指螺紋尺寸的直徑,單位是英寸。一寸等于8分,1/4寸就是2分,如此類推。簽名檔:sqr4身份:一般用戶類型:個(gè)人用戶注冊(cè)時(shí)間:2011-2-26經(jīng)驗(yàn)值:7041發(fā)帖總數(shù): 37回復(fù)總數(shù): 5159第2樓回復(fù)發(fā)表于 2010-7-15
17、17:34:42引用回復(fù)米制螺紋與英制螺紋對(duì)照表簽名檔:sqr4身份:一般用戶類型:個(gè)人用戶注冊(cè)時(shí)間:2011-2-26經(jīng)驗(yàn)值:7041發(fā)帖總數(shù): 37回復(fù)總數(shù): 5159第3樓回復(fù)發(fā)表于 2010-7-16 11:13:35引用回復(fù)最近英制與公制對(duì)照表可有分享簽名檔:110身份:一般用戶類型:個(gè)人用戶注冊(cè)時(shí)間:2010-8-27經(jīng)驗(yàn)值:909發(fā)帖總數(shù): 67回復(fù)總數(shù): 614第4樓回復(fù)發(fā)表于 2010-7-16 15:55:11引用回復(fù)公制螺紋是60度等邊牙型,英制螺紋是等腰55度牙型,美制螺紋60度。簽名檔:chubo1990cool身份:一般用戶類型:個(gè)人用戶注冊(cè)時(shí)間:2010-8-31
18、經(jīng)驗(yàn)值:1025發(fā)帖總數(shù): 62回復(fù)總數(shù): 728第5樓回復(fù)發(fā)表于 2010-7-19 16:14:50引用回復(fù)英制螺紋對(duì)照表=a型美制螺紋(unf)常用規(guī)格=外螺紋內(nèi)螺紋-49/16-19牙14.2813.08-611/16-1617.4616.1-813/16-1620.6419.28-101-1425.4023.57-121(3/16)-1230.0028.32-161(7/16)-1236.5134.67-201(11/16)-1242.8641.02=c型jic37度美制unf螺紋常用規(guī)格=-47/16”-2011.1110.03-51/2”-2012.7011.32-69/16”-
19、1814.2813.08-83/4”-1619.0017.68-107/8”-1422.2220.68-121(1/16)"-1226.9825.15-161(5/16)"-1233.3331.5-201(5/8)"-1241.2839.44-241(7/8)"-1247.6245.8-322(1/2)"-1263.561.67=英制圓柱管螺紋(bspp)常用規(guī)格=-41/4”-1913.15711.55-63/8”-1916.66214.95-81/2”-1420.95518.63-123/4”-1426.44124.11-161”-1133
20、.24930.29-201(1/4)-1141.9138.95=英制圓錐管螺紋(bspt)常用規(guī)格=基面大徑基準(zhǔn)距離1/4”-1913.15763/8”-1916.6626.41/2”-1420.9558.23/4”-1426.4419.51”-1133.24910.41(1/4)-1141.9112.7=美制圓錐管螺紋=1/8”-2710.2441/4”-1813.6043/8”-1817.044.321/2”-1421.224.483/4”-1426.574.751”-11(1/2)”33.224.61(1/4)”-11.541.964.83簽名檔:120身份:一般用戶類型:個(gè)人用戶注冊(cè)時(shí)
21、間:2010-9-1經(jīng)驗(yàn)值:828發(fā)帖總數(shù): 63回復(fù)總數(shù): 561第6樓回復(fù)發(fā)表于 2010-7-22 17:23:33引用回復(fù)英制螺紋 螺紋尺寸下孔徑嵌合率a列(硬材質(zhì))b列(軟材質(zhì))a列直徑b列直徑內(nèi)螺紋最小徑內(nèi)螺紋最大徑w1/82.62.570.783.070.088.33/163.73.678.485.870.088.31/45.15.076.983.070.588.35/166.66.574.099.570.188.43/88.07.975.080.069.588.27/169.49.373.780.069.088.81/210.710.573.881.269.088.29/161
22、2.312.073.484.469.088.25/813.713.573.580.369.688.53/416.716.572.378.469.688.37/819.519.375.480.970.188.4122.422.073.883.671.088.211/825.024.876.981.372.088.411/428.328.074.380.772.088.413/830.530.381.685.373.888.611/233.833.579.384.873.888.615/836.035.781.185.774.888.313/439.239.080.783.874.888.317/
23、841.841.580.684.774.788.4245.044.780.284.474.788.4簽名檔:chubo1990cool身份:一般用戶類型:個(gè)人用戶注冊(cè)時(shí)間:2010-8-31經(jīng)驗(yàn)值:1025發(fā)帖總數(shù): 62回復(fù)總數(shù): 728第7樓回復(fù)發(fā)表于 2010-7-24 15:31:31引用回復(fù)哪里有英制螺紋對(duì)照表簽名檔:512身份:一般用戶類型:個(gè)人用戶注冊(cè)時(shí)間:2010-9-1經(jīng)驗(yàn)值:1341發(fā)帖總數(shù): 176回復(fù)總數(shù): 687第8樓回復(fù)發(fā)表于 2010-7-26 15:35:35引用回復(fù)螺絲英制螺紋對(duì)照表nominalsizebasescrewdiameter(mm)#01.52#
24、11.85#22.18#32.51#42.84#53.18#63.51#73.84#84.17#104.83#125.481/46.35uns是英制普通粗牙螺紋;unf是英制航空工業(yè)用螺紋1/4-20:螺紋直徑1/4,1(25.4mm)有20個(gè)牙簽名檔:110身份:一般用戶類型:個(gè)人用戶注冊(cè)時(shí)間:2010-8-27經(jīng)驗(yàn)值:909發(fā)帖總數(shù): 67回復(fù)總數(shù): 614第9樓回復(fù)發(fā)表于 2010-7-27 15:21:06引用回復(fù)公制螺紋和英制螺紋對(duì)照表簽名檔:wcn311614身份:一般用戶類型:個(gè)人用戶注冊(cè)時(shí)間:2011-2-26經(jīng)驗(yàn)值:8315發(fā)帖總數(shù): 2189回復(fù)總數(shù): 1065第10樓回復(fù)
25、發(fā)表于 2010-7-28 9:20:15引用回復(fù)最新公英制螺紋對(duì)照表公制粗牙螺紋公制粗牙螺紋公制粗牙螺紋稱呼尺寸下孔徑2級(jí)螺紋內(nèi)徑稱呼尺寸下孔徑2級(jí)螺紋內(nèi)徑稱呼尺寸下孔徑2級(jí)螺紋內(nèi)徑上限下限上限下限上限下限m1*0.250.750.7850.729m1*0.20.80.8210.783m22*1.520.520.67620.376m1.1*0.250.850.8850.829m1.1*0.20.90.9210.883m22*12121.15320.917m1.2*0.250.950.9850.929m1.2*0.211.0210.983m24*22222.2121.835m1.4*0.31.
26、11.1421.075m1.4*0.21.21.2211.183m24*1.522.522.67622.376m1.6*0.351.251.3211.221m1.6*0.21.41.4211.383m24*12323.15322.917m1.7*0.351.351.4211.321m1.8*0.21.61.6211.583m25*22323.2122.835m1.8*0.451.451.5211.421m2*0.251.751.7851.729m25*1.523.523.67623.376m2*0.41.61.6791.567m2.5*0.352.22.2212.121m25*12424.15
27、323.917m2.2*0.41.751.8381.712m3*0.52.72.7212.621m26*1.524.524.67624.316m2.3*0.41.91.9791.867m3.5*0.352.23.2213.121m27*22525.2124.835m2.5*0.452.12.1382.013m4*0.53.53.5993.459m27*1.525.525.67625.376m2.6*0.452.22.2382.113m4.5*0.544.0993.959m27*12626.15325.917m3*0.52.52.5992.459m5*0.54.54.5994.459m28*22
28、626.2125.835m3*0.62.42.442.228m5.5*0.555.0994.959m28*1.526.526.67626.376m3.5*0.62.93.012.85m6*0.755.35.3785.188m28*12727.15326.917m4*0.73.33.4223.242m7*0.756.36.3786.188m30*32727.25226.752m4*0.753.253.3263.106m8*177.1536.917m30*22828.2127.835m4.5*0.753.283.8783.668m8*0.757.37.3787.188m30*1.528.528.6
29、7628.376m5*0.84.24.3344.134m9*188.1537.917m30*12929.15328.917m5*0.94.14.173.93m9*0.758.38.3788.188m32*23030.2129.835m6*155.1534.917m10*1.258.88.9128.647m32*1.530.530.67630.376m7*166.1535.917m10*199.1538.917m33*33030.25229.752m8*1.256.86.9126.647m10*0.759.39.3789.188m33*23131.2130.835m9*1.257.87.9127
30、.647m10*0.59.59.529.4m33*1.531.531.67631.376m10*1.58.58.6768.376m11*11010.1539.917m35*1.533.533.67633.376m11*1.59.59.6769.376m11*0.7510.310.37810.188m36*33333.25232.752m12*1.7510.310.44110.106m12*1.510.510.67610.376m36*23434.2133.835m14*21212.2111.836m12*1.2510.810.91210.647m36*1.534.534.67634.376m1
31、6*21414.2113.835m12*11111.15310.917m38*1.536.536.67636.376m18*2.515.515.74415.294m14*1.512.512.67612.376m39*33636.25235.752m20*2.517.517.74417.294m14*11313.15312.917m39*23737.2136.835m22*2.519.519.74419.294m15*1.513.513.67613.376m39*1.537.537.67637.376m24*32121.25220.752m15*11414.15313.917m40*33737.
32、25236.752m27*32424.25223.752m16*1.514.514.67614.376m30*3.526.526.77126.211m16*11515.15314.917m33*3.529.529.77129.211m17*1.515.515.67615.376m36*43232.2731.67m17*11616.15315.917m39*43535.2734.67m18*21616.2115.835m42*4.537.537.79937.129m18*0.2516.516.67516.376m45*4.540.540.79940.129m18*11717.15316.917m
33、48*54343.29742.587m20*21818.2117.835m20*1.518.518.67618.375m20*11919.15318.917m22*22020.2119.835簽名檔: 標(biāo)準(zhǔn)件緊固件螺絲螺栓軸承網(wǎng)chubo1990cool身份:一般用戶類型:個(gè)人用戶注冊(cè)時(shí)間:2010-8-31經(jīng)驗(yàn)值:1025發(fā)帖總數(shù): 62回復(fù)總數(shù): 728第11樓回復(fù)發(fā)表于 2010-7-28 17:42:08引用回復(fù)英制螺紋對(duì)照表發(fā)展概述簽名檔:wcn311614身份:一般用戶類型:個(gè)人用戶注冊(cè)時(shí)間:2011-2-26經(jīng)驗(yàn)值:8315發(fā)帖總數(shù): 2189回復(fù)總數(shù): 1065第12樓回復(fù)發(fā)表
34、于 2010-8-2 16:45:09引用回復(fù)英制對(duì)照表、緊固件常用尺寸規(guī)格規(guī)格格英寸毫米規(guī)格英寸毫米no.00000.02100.53341/40.25006.3500no.0000.03400.86365/160.31257.9375no.000.04701.19383/80.37509.5250no.00.06001.52407/160.437511.1125no.10.07301.85421/20.500012.7000no.20.08602.18449/160.562514.2875no.30.09902.51465/80.625015.8750no.40.11202.84483/4
35、0.750019.0500no.50.12503.17507/80.87522.2250no.60.13803.505211.000025.4000no.70.15103.83541-1/81.125028.5750no.80.16404.15661-1/41.250031.7500no.90.17704.49581-3/81.375034.9250no.100.19004.82601-1/21.500038.1000no.120.21605.48641-5/81.625041.2750no.140.24206.14681-3/41.750044.4500no.160.26806.80721-
36、7/81.875047.6250no.180.29407.467622.000050.8000no.200.32008.1280no.240.37209.4488簽名檔: 標(biāo)準(zhǔn)件緊固件螺絲螺栓軸承網(wǎng)wcn311614身份:一般用戶類型:個(gè)人用戶注冊(cè)時(shí)間:2011-2-26經(jīng)驗(yàn)值:8315發(fā)帖總數(shù): 2189回復(fù)總數(shù): 1065第13樓回復(fù)發(fā)表于 2010-8-5 15:34:37引用回復(fù)米制螺紋與英制螺紋對(duì)照表簽名檔: 標(biāo)準(zhǔn)件緊固件螺絲螺栓軸承網(wǎng)chubo1990cool身份:一般用戶類型:個(gè)人用戶注冊(cè)時(shí)間:2010-8-31經(jīng)驗(yàn)值:1025發(fā)帖總數(shù): 62回復(fù)總數(shù): 728第14樓回復(fù)發(fā)表于
37、 2010-8-5 15:39:40引用回復(fù)英制螺紋是世界上最早通用的標(biāo)準(zhǔn)簽名檔:120身份:一般用戶類型:個(gè)人用戶注冊(cè)時(shí)間:2010-9-1經(jīng)驗(yàn)值:828發(fā)帖總數(shù): 63回復(fù)總數(shù): 561第15樓回復(fù)發(fā)表于 2010-8-6 15:49:29引用回復(fù)英制螺紋對(duì)照表:nominalsizebasescrewdiameter(mm)#01.52#11.85#22.18#32.51#42.84#53.18#63.51#73.84#84.17#104.83#125.481/46.35uns是英制普通粗牙螺紋;unf是英制航空工業(yè)用螺紋1/4-20:螺紋直徑1/4,1(25.4mm)有20個(gè)牙美制規(guī)格
38、英寸毫米0-800.061.5241-640.0731.85422-560.0862.18443-480.0992.51464-400.1122.84485-400.1253.1756-320.1383.50528-320.1644.165610-240.194.82612-240.2165.48643/16-240.18754.76251/4-200.256.355/16-180.31257.93753/8-160.3759.5257/16-140.437511.11251/2-130.512.79/16-120.562514.28755/8-110.62515.87511/16-120.687517.4625pdf文件以fineprintpdffactorypro試用版創(chuàng)建3/4-100.7519.0513/16-100.812520.63757/8-90.87522.22515/16-90.937523.81251-8125.41.1/16-121.062526.98751.1/8-71.12528.5751.1/4-71.2531.751.3/8-61.37534.9251.3/16-121.18753
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