常用螺纹尺寸对照表

尺寸偏差±T PL 尺寸偏差±T PL /2磨损下限尺寸M1.4 1.4 1.2050.260.300.002####0.0070.00950.0075 1.4020.0070 1.20720.0035 1.1977 1.349M1.7 1.7 1.4730.30.3500.006####0.0090.01250.0095 1.7060.0090 1.47870.0045 1.4662 1.638M22 1.7400.350.400.006####0.0090.01250.0095 2.0060.0090 1.74620.0045 1.7337 1.921M2.5 2.5 2.2080.390.4500.006####0.0090.01250.0095 2.5060.0090 2.21370.0045 2.2012 2.405M2.6 2.6 2.3080.390.4500.006####0.0090.01250.0095 2.6060.0090 2.31370.0045 2.3012 2.505M33 2.6750.430.500.006####0.0090.01250.0095 3.0060.0090 2.68130.0045 2.6688 2.888M44 3.5450.610.700.006####0.0090.01250.0095 4.0060.0090 3.55140.0045 3.5389 3.819M4*0.54 3.6750.430.500.006####0.0090.01250.0095 4.0060.0090 3.68130.0045 3.6688 3.888M55 4.4800.690.800.006####0.0090.01250.0095 5.0060.0090 4.48640.0045 4.4739 4.783M5*0.55 4.6750.430.500.006####0.0090.01250.0095 5.0060.0090 4.68130.0045 4.6688 4.888M66 5.3510.87100.012####0.0110.01750.0115 6.0120.0110 5.36250.0055 5.3450 5.723M6*0.756 5.5130.650.7500.012####0.0110.01750.0115 6.0120.0110 5.52490.0055 5.5074 5.813M7*0.757 6.5130.650.7500.012####0.0110.01750.01157.0120.0110 6.52490.0055 6.5074 6.813M887.188 1.08 1.2500.012####0.0110.01750.01158.0120.01107.20010.00557.18267.624M8*0.587.6750.430.500.006####0.0090.01250.00958.0060.00907.68130.00457.66887.900M8*0.7587.5130.650.7500.012####0.0110.01750.01158.0120.01107.52490.00557.50747.813M8*187.3510.87100.012####0.0110.01750.01158.0120.01107.36250.00557.34507.723M9*0.598.6750.430.500.006####0.0090.01250.00959.0060.00908.68130.00458.66888.900W GOW NGHPEIZ PLTD 2T PL通规Ｔ大径D+EI+Z PL 中径D 2+EI+Z PL大径D 2+EI+TD 2+T PL /2+2F 1螺纹规格（6H ）公称尺寸D 中径尺寸D 2尺寸偏差±T PL尺寸偏差±T PL/2磨损下限尺寸W GO W NG H P EI Z PL TD2T PL通规Ｔ大径D+EI+Z PL中径D2+EI+Z PL大径D2+EI+TD2+T PL/2+2F1螺纹规格（6H）公称尺寸D中径尺寸D2M10109.026 1.3 1.500.012####0.0110.01750.011510.0120.01109.03780.00559.02039.536 M10*0.5109.6750.430.500.006####0.0090.01250.009510.0060.00909.68130.00459.66889.900 M10*0.75109.5130.650.7500.012####0.0110.01750.011510.0120.01109.52490.00559.50749.813 M10*1109.3510.87100.012####0.0110.01750.011510.0120.01109.36250.00559.34509.723 M10*1.25109.188 1.08 1.2500.012####0.0110.01750.011510.0120.01109.20010.00559.18269.624 M121210.863 1.52 1.7500.012####0.0110.01750.011512.0120.011010.87540.005510.857911.448 M12*0.51211.6750.430.500.006####0.0090.01250.009512.0060.009011.68130.004511.668811.906 M12*11211.3510.87100.012####0.0110.01750.011512.0120.011011.36250.005511.345011.733 M12*1.51211.026 1.3 1.500.012####0.0110.01750.011512.0120.011011.03780.005511.020311.546 M141412.701 1.73200.016####0.0140.01750.011514.0160.014012.71700.007012.699513.353 M14*11413.3510.87100.012####0.0110.01750.011514.0120.011013.36250.005513.345013.733 M14*1.251413.188 1.08 1.2500.012####0.0110.01750.011514.0120.011013.20010.005513.182613.644 M14*1.51413.026 1.3 1.500.012####0.0110.01750.011514.0120.011013.03780.005513.020313.546 M14*21412.701 1.73200.016####0.0140.0210.01514.0160.014012.71700.007012.696013.353 M15*0.51514.6750.430.500.006####0.0090.01250.009515.0060.009014.68130.004514.668814.906 M15*11514.3510.87100.012####0.0110.01750.011515.0120.011014.36250.005514.345014.733 M161614.701 1.73200.016####0.0140.0210.01516.0160.014014.71700.007014.696015.353 M16*0.51615.6750.430.500.006####0.0090.01250.009516.0060.009015.68130.004515.668815.906尺寸偏差±T PL尺寸偏差±T PL/2磨损下限尺寸W GO W NG H P EI Z PL TD2T PL通规Ｔ大径D+EI+Z PL中径D2+EI+Z PL大径D2+EI+TD2+T PL/2+2F1螺纹规格（6H）公称尺寸D中径尺寸D2M16*1.51615.026 1.3 1.500.012####0.0110.01750.011516.0120.011015.03780.005515.020315.546 M18*0.51817.6750.430.500.006####0.0090.01250.009518.0060.009017.68130.004517.668817.906 M18*11817.3510.87100.012####0.0110.01750.011518.0120.011017.36250.005517.345017.733 M18*21816.701 1.73200.016####0.0140.0210.01518.0160.014016.71700.007016.696017.353 M20*0.52019.6750.430.500.006####0.0090.01250.009520.0060.009019.68130.004519.668819.906 M20*12019.3510.87100.012####0.0110.01750.011520.0120.011019.36250.005519.345019.733 M20*1.52019.026 1.3 1.500.012####0.0110.01750.011520.0120.011019.03780.005519.020319.546 M22*0.52221.6750.430.500.006####0.0090.01250.009522.0060.009021.68130.004521.668821.906 M22*12221.3510.87100.012####0.0110.01750.011522.0120.011021.36250.005521.345021.733 M22*1.52221.026 1.3 1.500.012####0.0110.01750.011522.0120.011021.03780.005521.020321.546 M24*12423.3510.87100.012####0.0110.01750.011524.0120.011023.36250.005523.345023.743 M24*1.52423.026 1.3 1.500.012####0.0110.01750.011524.0120.011023.03780.005523.020323.556 M25*1.52524.026 1.3 1.500.012####0.0110.01750.011525.0120.011024.03780.005524.020324.556 M26*1.52625.026 1.3 1.500.012####0.0110.01750.011526.0120.011025.03780.005525.020325.556 M30*0.753029.5130.650.7500.012####0.0110.01750.011530.0120.011029.52490.005529.507429.831 M30*13029.3510.87100.012####0.0110.01750.011530.0120.011029.36250.005529.345029.743 M30*1.53029.026 1.3 1.500.012####0.0110.01750.011530.0120.011029.03780.005529.020329.556 M30*23028.701 1.73200.016####0.0140.0210.01530.0160.014028.71700.007028.696029.365尺寸偏差±T PL尺寸偏差±T PL/2磨损下限尺寸W GO W NG H P EI Z PL TD2T PL通规Ｔ大径D+EI+Z PL中径D2+EI+Z PL大径D2+EI+TD2+T PL/2+2F1螺纹规格（6H）公称尺寸D中径尺寸D2M33*1.53332.026 1.3 1.500.012####0.0110.01750.011533.0120.011032.03780.005532.020332.556 M35*1.53534.026 1.3 1.500.012####0.0110.01750.011535.0120.011034.03780.005534.020334.556 M36*1.53635.026 1.3 1.500.012####0.0110.01750.011536.0120.011035.03780.005535.020335.556 M42*24240.701 1.73200.016####0.0140.0210.01542.0160.014040.71700.007040.696041.365 M45*1.54544.026 1.3 1.500.012####0.0110.01750.011545.0120.011044.03780.005544.020344.556 M50*1.55049.026 1.3 1.500.016####0.0140.0210.01550.0160.014049.04180.007049.020849.570 M52*35250.052 2.6300.016####0.0140.0210.01552.0160.014050.06750.007050.046550.988 M58*1.55857.026 1.3 1.500.016####0.0140.0210.01558.0160.014057.04180.007057.020857.570 M64*16463.3510.87100.012####0.0110.01750.011564.0120.011063.36250.005563.345063.753偏差±T PL 尺寸偏差±T PL /2磨损下限0.0070 1.28370.0035 1.27620.0090 1.56220.0045 1.55270.0090 1.83470.0045 1.82520.0090 2.30720.0045 2.29770.0090 2.40720.0045 2.39770.0090 2.77980.0045 2.77030.0090 3.66790.0045 3.65840.0090 3.77980.0045 3.77030.0090 4.60990.0045 4.60040.0090 4.77980.0045 4.77030.0110 5.50600.0055 5.49450.0110 5.65040.0055 5.63890.0110 6.65040.0055 6.63890.01107.35360.00557.34210.00907.79180.00457.78230.01107.65040.00557.63890.01107.50600.00557.49450.00908.79180.00458.7823止规Ｚ大径EI+TD 2+T PL /2+2F 1中径D 2+EI+TD 2+T PL /2偏差±T PL尺寸偏差±T PL/2磨损下限止规Ｚ大径EI+TD2+T PL/2+2F1中径D2+EI+TD2+T PL/20.01109.21130.00559.1998 0.00909.79180.00459.7823 0.01109.65040.00559.6389 0.01109.50600.00559.4945 0.01109.35360.00559.3421 0.011011.06890.005511.0574 0.009011.79780.004511.7883 0.011011.51600.005511.5045 0.011011.22130.005511.2098 0.014012.92000.007012.9085 0.011013.51600.005513.5045 0.011013.37360.005513.3621 0.011013.22130.005513.2098 0.014012.92000.007012.9050 0.009014.79780.004514.7883 0.011014.51600.005514.5045 0.014014.92000.007014.9050 0.009015.79780.004515.7883偏差±T PL尺寸偏差±T PL/2磨损下限止规Ｚ大径EI+TD2+T PL/2+2F1中径D2+EI+TD2+T PL/20.011015.22130.005515.2098 0.009017.79780.004517.7883 0.011017.51600.005517.5045 0.014016.92000.007016.9050 0.009019.79780.004519.7883 0.011019.51600.005519.5045 0.011019.22130.005519.2098 0.009021.79780.004521.7883 0.011021.51600.005521.5045 0.011021.22130.005521.2098 0.011023.52600.005523.5145 0.011023.23130.005523.2198 0.011024.23130.005524.2198 0.011025.23130.005525.2198 0.011029.66840.005529.6569 0.011029.52600.005529.5145 0.011029.23130.005529.2198 0.014028.93200.007028.9170偏差±T PL尺寸偏差±T PL/2磨损下限止规Ｚ大径EI+TD2+T PL/2+2F1中径D2+EI+TD2+T PL/20.011032.23130.005532.2198 0.011034.23130.005534.2198 0.011035.23130.005535.2198 0.014040.93200.007040.9170 0.011044.23130.005544.2198 0.014049.24480.007049.2298 0.014050.33850.007050.3235 0.014057.24480.007057.2298 0.011063.53600.005563.5245。

英制锥管螺纹基本尺寸及公差牙形角55ºBSPT公制螺纹基本尺寸及公差牙形角60ºM55°圆锥管螺纹基本尺寸对照表最新下载-汇兴达55°圆锥管螺纹基本尺寸对照表最新下载-汇兴达55°圆锥管螺纹BSPTR66" 11聊城市鑫茂祥管业有限公司专业经营钢管规格：5mm1mm—1020mm200mm合金钢管、外径22mm-127mm冷轧无缝钢管、外径127mm-600mm,壁厚16mm-100mm,外径精度±%,壁厚精度±5%热轧中厚壁无缝钢管、16Mn外径400—1600mm、壁厚20—60mm 的大口径厚壁卷管,可定尺到16米及各种规格的无缝方管、异型无缝钢管等.常备钢管种类有:构造用无缝钢管、流体用无缝钢管、液压无缝钢管、电力用无缝钢管、石油输送用无缝钢管、化肥设备用无缝钢管、煤矿用无缝钢管、不锈钢无缝钢管、化工用无缝钢管、纺织机械用无缝钢管、汽车；水利用无缝钢管,精密无缝钢管、光亮无缝钢管、军工医疗用无缝钢管、管道用无缝钢管、支柱用无缝钢管、合金无缝管、高压无缝管、大口径直缝焊管等;适用于工程、煤矿、纺织、电力、锅炉、机械、军工等各个领域;公司以良好的信用、优质的产品、雄厚的实力、低廉的价钱享誉全国30多个省、市、自治区、直辖市及国外,产品深得用户依赖;管螺纹的基本尺寸表2010-10-25 15:57:35标签：表1螺纹基本尺寸G1/2 、ZG1/2 单位:mm尺寸代号每类的牙数n螺距p 牙型高度h圆弧半径r≈基面上的基本直径基准距离有效螺纹长度大径基准直径d=D中径d2=D2小径d1=D11/16 28 1/8 28 1/4 19 3/8 19 1/2 14 3/4 14 1 11 4 11 2 11 2 112 113 11 2 11锥管螺纹的基本尺寸表3-281/2PT 、1/2NPT表2螺纹基本尺寸单位:mm螺纹标准的一种,按外形分圆柱、圆锥两种；按牙型角分55°、60°两种;螺纹中的1/4、1/2、1/8 标记是指螺纹尺寸的直径,单位是英寸;一吋等于8分,1/4 吋就是2分,如此类推;国外常用英制螺纹的代号、名称和标准号：标准惠氏粗牙系列,一般用途圆柱螺纹标准惠氏细牙系列,一般用途圆柱螺纹附加的惠氏可选择系列,一般用途圆柱螺纹Whit 惠氏牙型的非标准螺纹以上为英国标准BS84 牙型角为55°的英制螺纹UN 恒定螺距系列的统一螺纹UNC 粗牙系列的统一螺纹UNF 细牙系列的统一螺纹UNEF 超细牙系列的统一螺纹UNS①特殊系列的统一螺纹UNR 圆弧牙底恒定螺距系列的统一螺纹UNRC 圆弧牙底粗牙系列统一螺纹UNRF 圆弧牙底细牙系列统一螺纹UNREF 圆弧牙底超细牙系列统一螺纹UNRS 圆弧牙底特殊系列统一螺纹以上为美国标准标准牙型牙底是平的或随意倒圆的的内、外螺纹圆弧牙底的UNR、UNRC、UNRF、UNRE F、NRS只用于外螺纹而没有内螺纹NPT②一般用途的锥管螺纹NPSC 管接头用直管螺纹NPTR 导杆连接用锥管螺纹NPSM 机械连接用直管螺纹NPSL 锁紧螺母用直管螺纹NPSH 软管连接用直管螺纹以上为美国标准牙型角为60°的英制管螺纹NPTF 干密封标准型锥管螺纹美国标准Ⅰ型PTF-SAE SHORT 干密封短型锥管螺纹美国标准Ⅱ型NPSF 干密封标准型燃油用直管内螺纹美国标准Ⅲ型NPS1 干密封标准型一般用直管内螺纹美国标准Ⅳ型ACME③一般用途的梯形螺纹美国标准牙型角为29°的英制传动螺纹①尺寸和公差使用与标准系列相同的公式计算的标准系列之外的所有直径与螺距组合;②我国的60°圆锥管螺纹GB/T12716-1991与之等效;③ACME螺纹包括一般用途的和定心的两种配合的梯形螺纹,其中一般用途者与我国标准GB/T5796-1986规定的梯形螺纹的性能相类同;螺距用每英寸的牙数来表示,如：每英寸11牙,则螺距＝11＝螺纹如何区分英制和公制默认分类2009-08-24 22:03:14 阅读1281 评论0 字号：大中小粗略判断的话好像英制的比公职的牙距大同规格的NPT,PT,G 都是管螺纹．NPT 是National American Pipe Thread 的縮寫,屬於美国標准的60 度锥管螺纹,用於北美地區．国家標准可查阅GB/T12716-1991PT 是Pipe Thread 的縮寫,是55 度密封圓锥管螺纹,屬惠氏螺紋家族,多用於欧洲及英联邦国家．常用於水及煤气管行业,锥度規定为1:16．国家標准可查阅GB/T7306-2000G 是55 度非螺纹密封管螺纹,屬惠氏螺紋家族．标记为G 代表圓柱螺紋．国家標准可查阅GB/T730 7-2001另外螺纹中的1/4、1/2、1/8 标记是指螺紋尺寸的直徑,單位是英吋．行內人通常用分來稱呼螺紋尺寸,一吋等於８分,1/4 吋就是２分,如此類推G 好像就是管螺纹的统称Guan,55,60度的划分属于功能性的,俗称管圆;即螺纹由一圆柱面加工而成;ZG俗称管锥,即螺纹由一圆锥面加工而成,一般的水管接头都是这样的,老国标标注为Rc公制螺纹用螺距来表示,美英制螺纹用每英寸内的螺纹牙数来表示,这是它们最大的区别,公制螺纹是60度等边牙型,英制螺纹是等腰55度牙型,美制螺纹60度;公制螺纹用公制单位, 美英制螺纹用英制单位;管螺纹主要用来进行管道的连接,其内外螺纹的配合紧密,有直管与锥管两种;公称直径是指所连接的管道直径,显然螺纹大径比公称直径大;1/4,1/2,1/8是英制螺纹的公称直径,单位是英寸;英制螺纹标准规格表寸Ww 牙型代号大径mmd=D螺距mmp每英寸牙数tpi中径mmd2=D2小径外螺纹d3牙型高H1底孔直径mm1/16" BSW 603/32" BSW 481/8" BSW 405/32" BSW 323/16" BSW 247/32" BSW 241/4" BSW 205/16" BSW 183/8" BSW 167/16" BSW 141/2" BSW 125/8" BSW 113/4" BSW 107/8" BSW 9 1" BSW 81 1/8"BSW 71 1/4"BSW 71 3/8"BSW 61 1/2"BSW 61 5/8"BSW 51 3/4"BSW 51 7/8"BSW 4 1/2 2" BSW 4 1/2 2 1/4BSW 4"2 1/2"BSW 42 3/4"BSW 3 1/2 3" BSW 3 1/2 3 1/4"BSW 3 1/4 3 1/2"BSW 3 1/4 3 3/4"BSW 3 4" BSW 34 1/4"BSW 2 7/8 4 1/2"BSW 2 7/8 4 3/4"BSW 2 3/4 5" BSW 2 3/4 5 1/4"BSW 2 5/8 5 1/2"BSW 2 5/8 5 3/4"BSW 2 1/2 6" BSW 2 1/2英制普通螺纹-- 细牙-- BSF 英制普通螺纹惠氏螺纹-- 细牙BSW名义尺寸BSF 牙型代号大径mmd=D螺距mmp每英寸牙数tpi中径mmd2=D2小径外螺纹d3牙型高H1底孔直径mm3/16 BSF 32 7/32 BSF 28 1/4 BSF 26 9/32 BSF 26 5/16 BSF 22 3/8 BSF 20 7/16 BSF 18 1/2 BSF 169/16 BSF 165/8 BSF 1411/16 BSF 143/4 BSF 1213/16 BSF 127/8 BSF 111 BSF 101 1/8 BSF 91 1/4 BSF 91 3/8 BSF 81 1/2 BSF 81 5/8 BSF 81 3/4 BSF 72 BSF 72 1/4 BSF 62 1/2 BSF 62 3/4 BSF 6 -3 BSF 5 -3 1/4 BSF5 -3 1/2 BSF4 1/2 -3 3/4 BSF 4 1/2 -4 BSF 4 1/2 -4 1/4 BSF 4 -螺纹标记的标注当螺纹精度要求较高时,除标注螺纹代号外,还应标注螺纹公差带代号和螺纹旋合长度;螺纹标记的标注格式为：螺纹代号—螺纹公差带代号中径、顶径—旋合长度有关标注内容的说明：1 公差带代号由数字加字母表示内螺纹用大写字母,外螺纹用小写字母,如7H、6g等,应特别指出,7H,6g等代表螺纹公差,而H7,g6代表圆柱体公差代号;2 旋合长度规定为短用S表示、中用N表示、长用L表示三种;一般情况下,不标注螺纹旋合长度,其螺纹公差带按中等旋合长度N确定;必要时,可加注旋合长度代号S或L,如“M20-5g6g－L”;特殊需要时,可注明旋合长度的数值,如“M20-5g6g－30”;相关链接。

尺寸偏差±T PL 尺寸偏差±T PL /2磨损下限尺寸M1.4 1.4 1.2050.260.300.002####0.0070.00950.0075 1.4020.0070 1.20720.0035 1.1977 1.349M1.7 1.7 1.4730.30.3500.006####0.0090.01250.0095 1.7060.0090 1.47870.0045 1.4662 1.638M22 1.7400.350.400.006####0.0090.01250.0095 2.0060.0090 1.74620.0045 1.7337 1.921M2.5 2.5 2.2080.390.4500.006####0.0090.01250.0095 2.5060.0090 2.21370.0045 2.2012 2.405M2.6 2.6 2.3080.390.4500.006####0.0090.01250.0095 2.6060.0090 2.31370.0045 2.3012 2.505M33 2.6750.430.500.006####0.0090.01250.0095 3.0060.0090 2.68130.0045 2.6688 2.888M44 3.5450.610.700.006####0.0090.01250.0095 4.0060.0090 3.55140.0045 3.5389 3.819M4*0.54 3.6750.430.500.006####0.0090.01250.0095 4.0060.0090 3.68130.0045 3.6688 3.888M55 4.4800.690.800.006####0.0090.01250.0095 5.0060.0090 4.48640.0045 4.4739 4.783M5*0.55 4.6750.430.500.006####0.0090.01250.0095 5.0060.0090 4.68130.0045 4.6688 4.888M66 5.3510.87100.012####0.0110.01750.0115 6.0120.0110 5.36250.0055 5.3450 5.723M6*0.756 5.5130.650.7500.012####0.0110.01750.0115 6.0120.0110 5.52490.0055 5.5074 5.813M7*0.757 6.5130.650.7500.012####0.0110.01750.01157.0120.0110 6.52490.0055 6.5074 6.813M887.188 1.08 1.2500.012####0.0110.01750.01158.0120.01107.20010.00557.18267.624M8*0.587.6750.430.500.006####0.0090.01250.00958.0060.00907.68130.00457.66887.900M8*0.7587.5130.650.7500.012####0.0110.01750.01158.0120.01107.52490.00557.50747.813M8*187.3510.87100.012####0.0110.01750.01158.0120.01107.36250.00557.34507.723M9*0.598.6750.430.500.006####0.0090.01250.00959.0060.00908.68130.00458.66888.900W GOW NGHPEIZ PLTD 2T PL通规Ｔ大径D+EI+Z PL 中径D 2+EI+Z PL大径D 2+EI+TD 2+T PL /2+2F 1螺纹规格（6H ）公称尺寸D 中径尺寸D 2尺寸偏差±T PL尺寸偏差±T PL/2磨损下限尺寸W GO W NG H P EI Z PL TD2T PL通规Ｔ大径D+EI+Z PL中径D2+EI+Z PL大径D2+EI+TD2+T PL/2+2F1螺纹规格（6H）公称尺寸D中径尺寸D2M10109.026 1.3 1.500.012####0.0110.01750.011510.0120.01109.03780.00559.02039.536 M10*0.5109.6750.430.500.006####0.0090.01250.009510.0060.00909.68130.00459.66889.900 M10*0.75109.5130.650.7500.012####0.0110.01750.011510.0120.01109.52490.00559.50749.813 M10*1109.3510.87100.012####0.0110.01750.011510.0120.01109.36250.00559.34509.723 M10*1.25109.188 1.08 1.2500.012####0.0110.01750.011510.0120.01109.20010.00559.18269.624 M121210.863 1.52 1.7500.012####0.0110.01750.011512.0120.011010.87540.005510.857911.448 M12*0.51211.6750.430.500.006####0.0090.01250.009512.0060.009011.68130.004511.668811.906 M12*11211.3510.87100.012####0.0110.01750.011512.0120.011011.36250.005511.345011.733 M12*1.51211.026 1.3 1.500.012####0.0110.01750.011512.0120.011011.03780.005511.020311.546 M141412.701 1.73200.016####0.0140.01750.011514.0160.014012.71700.007012.699513.353 M14*11413.3510.87100.012####0.0110.01750.011514.0120.011013.36250.005513.345013.733 M14*1.251413.188 1.08 1.2500.012####0.0110.01750.011514.0120.011013.20010.005513.182613.644 M14*1.51413.026 1.3 1.500.012####0.0110.01750.011514.0120.011013.03780.005513.020313.546 M14*21412.701 1.73200.016####0.0140.0210.01514.0160.014012.71700.007012.696013.353 M15*0.51514.6750.430.500.006####0.0090.01250.009515.0060.009014.68130.004514.668814.906 M15*11514.3510.87100.012####0.0110.01750.011515.0120.011014.36250.005514.345014.733 M161614.701 1.73200.016####0.0140.0210.01516.0160.014014.71700.007014.696015.353 M16*0.51615.6750.430.500.006####0.0090.01250.009516.0060.009015.68130.004515.668815.906尺寸偏差±T PL尺寸偏差±T PL/2磨损下限尺寸W GO W NG H P EI Z PL TD2T PL通规Ｔ大径D+EI+Z PL中径D2+EI+Z PL大径D2+EI+TD2+T PL/2+2F1螺纹规格（6H）公称尺寸D中径尺寸D2M16*1.51615.026 1.3 1.500.012####0.0110.01750.011516.0120.011015.03780.005515.020315.546 M18*0.51817.6750.430.500.006####0.0090.01250.009518.0060.009017.68130.004517.668817.906 M18*11817.3510.87100.012####0.0110.01750.011518.0120.011017.36250.005517.345017.733 M18*21816.701 1.73200.016####0.0140.0210.01518.0160.014016.71700.007016.696017.353 M20*0.52019.6750.430.500.006####0.0090.01250.009520.0060.009019.68130.004519.668819.906 M20*12019.3510.87100.012####0.0110.01750.011520.0120.011019.36250.005519.345019.733 M20*1.52019.026 1.3 1.500.012####0.0110.01750.011520.0120.011019.03780.005519.020319.546 M22*0.52221.6750.430.500.006####0.0090.01250.009522.0060.009021.68130.004521.668821.906 M22*12221.3510.87100.012####0.0110.01750.011522.0120.011021.36250.005521.345021.733 M22*1.52221.026 1.3 1.500.012####0.0110.01750.011522.0120.011021.03780.005521.020321.546 M24*12423.3510.87100.012####0.0110.01750.011524.0120.011023.36250.005523.345023.743 M24*1.52423.026 1.3 1.500.012####0.0110.01750.011524.0120.011023.03780.005523.020323.556 M25*1.52524.026 1.3 1.500.012####0.0110.01750.011525.0120.011024.03780.005524.020324.556 M26*1.52625.026 1.3 1.500.012####0.0110.01750.011526.0120.011025.03780.005525.020325.556 M30*0.753029.5130.650.7500.012####0.0110.01750.011530.0120.011029.52490.005529.507429.831 M30*13029.3510.87100.012####0.0110.01750.011530.0120.011029.36250.005529.345029.743 M30*1.53029.026 1.3 1.500.012####0.0110.01750.011530.0120.011029.03780.005529.020329.556 M30*23028.701 1.73200.016####0.0140.0210.01530.0160.014028.71700.007028.696029.365尺寸偏差±T PL尺寸偏差±T PL/2磨损下限尺寸W GO W NG H P EI Z PL TD2T PL通规Ｔ大径D+EI+Z PL中径D2+EI+Z PL大径D2+EI+TD2+T PL/2+2F1螺纹规格（6H）公称尺寸D中径尺寸D2M33*1.53332.026 1.3 1.500.012####0.0110.01750.011533.0120.011032.03780.005532.020332.556 M35*1.53534.026 1.3 1.500.012####0.0110.01750.011535.0120.011034.03780.005534.020334.556 M36*1.53635.026 1.3 1.500.012####0.0110.01750.011536.0120.011035.03780.005535.020335.556 M42*24240.701 1.73200.016####0.0140.0210.01542.0160.014040.71700.007040.696041.365 M45*1.54544.026 1.3 1.500.012####0.0110.01750.011545.0120.011044.03780.005544.020344.556 M50*1.55049.026 1.3 1.500.016####0.0140.0210.01550.0160.014049.04180.007049.020849.570 M52*35250.052 2.6300.016####0.0140.0210.01552.0160.014050.06750.007050.046550.988 M58*1.55857.026 1.3 1.500.016####0.0140.0210.01558.0160.014057.04180.007057.020857.570 M64*16463.3510.87100.012####0.0110.01750.011564.0120.011063.36250.005563.345063.753偏差±T PL 尺寸偏差±T PL /2磨损下限0.0070 1.28370.0035 1.27620.0090 1.56220.0045 1.55270.0090 1.83470.0045 1.82520.0090 2.30720.0045 2.29770.0090 2.40720.0045 2.39770.0090 2.77980.0045 2.77030.0090 3.66790.0045 3.65840.0090 3.77980.0045 3.77030.0090 4.60990.0045 4.60040.0090 4.77980.0045 4.77030.0110 5.50600.0055 5.49450.0110 5.65040.0055 5.63890.0110 6.65040.0055 6.63890.01107.35360.00557.34210.00907.79180.00457.78230.01107.65040.00557.63890.01107.50600.00557.49450.00908.79180.00458.7823止规Ｚ大径EI+TD 2+T PL /2+2F 1中径D 2+EI+TD 2+T PL /2偏差±T PL尺寸偏差±T PL/2磨损下限止规Ｚ大径EI+TD2+T PL/2+2F1中径D2+EI+TD2+T PL/20.01109.21130.00559.1998 0.00909.79180.00459.7823 0.01109.65040.00559.6389 0.01109.50600.00559.4945 0.01109.35360.00559.3421 0.011011.06890.005511.0574 0.009011.79780.004511.7883 0.011011.51600.005511.5045 0.011011.22130.005511.2098 0.014012.92000.007012.9085 0.011013.51600.005513.5045 0.011013.37360.005513.3621 0.011013.22130.005513.2098 0.014012.92000.007012.9050 0.009014.79780.004514.7883 0.011014.51600.005514.5045 0.014014.92000.007014.9050 0.009015.79780.004515.7883偏差±T PL尺寸偏差±T PL/2磨损下限止规Ｚ大径EI+TD2+T PL/2+2F1中径D2+EI+TD2+T PL/20.011015.22130.005515.2098 0.009017.79780.004517.7883 0.011017.51600.005517.5045 0.014016.92000.007016.9050 0.009019.79780.004519.7883 0.011019.51600.005519.5045 0.011019.22130.005519.2098 0.009021.79780.004521.7883 0.011021.51600.005521.5045 0.011021.22130.005521.2098 0.011023.52600.005523.5145 0.011023.23130.005523.2198 0.011024.23130.005524.2198 0.011025.23130.005525.2198 0.011029.66840.005529.6569 0.011029.52600.005529.5145 0.011029.23130.005529.2198 0.014028.93200.007028.9170偏差±T PL尺寸偏差±T PL/2磨损下限止规Ｚ大径EI+TD2+T PL/2+2F1中径D2+EI+TD2+T PL/20.011032.23130.005532.2198 0.011034.23130.005534.2198 0.011035.23130.005535.2198 0.014040.93200.007040.9170 0.011044.23130.005544.2198 0.014049.24480.007049.2298 0.014050.33850.007050.3235 0.014057.24480.007057.2298 0.011063.53600.005563.5245。

最小最大最小最大 8-320.15710.16310.13990.14280.1248(0.164-32) 3.9903 4.1427 3.5535 3.6271 3.1699 10-240.18180.1890.15860.16190.1379(0.190-24) 4.6177 4.8006 4.0284 4.1123 3.5027 12-240.20780.2150.18450.18790.1639(0.216-24) 5.2781 5.461 4.6863 4.7727 4.1631 1/4-200.24080.24890.21270.21640.1876(0.250-20) 6.1163 6.3221 5.4026 5.4966 4.765 5/16-180.30260.31130.27120.27520.2431(0.3175-18)7.6867.907 6.8885 6.9901 6.1747 3/8-160.36430.37370.32870.33310.297(0.375-16)9.25329.4928.3498.46077.5438 7/16-140.42580.43610.3850.38970.3485(0.4375-14)10.815311.07699.7799.89848.8519 1/2-130.48760.49850.44350.44850.4041(0.50-13)12.38512.661911.264911.391910.26419/16-120.54950.56090.50160.50680.4587(0.5625-12)13.957314.246912.740612.872711.651 5/8-110.61130.62340.55890.56440.5119(0.625-11)15.52715.834414.196114.335813.0023 3/4-100.73530.74820.67730.68320.6255(0.750-10)18.676619.004317.203417.353315.8877 7/8-90.85920.87310.79460.80090.7368(0.875-9)21.823722.176720.182820.342918.71471"-80.9830.9980.910.91680.8446(1.000-8)24.968225.349223.11423.286721.4528最小最大最小最大 8-360.15770.16320.14240.14520.1291(0.164-36) 4.0056 4.1453 3.617 3.6881 3.2791 10-320.18310.18910.16580.16880.1508(0.190-32) 4.6507 4.8031 4.2113 4.2875 3.8303 12-280.20850.2150.18860.19180.1712美制外螺纹（2A）常用规格极限尺寸表（粗牙）公称尺寸和每英寸牙数螺纹系列代号大径极限中径极限小径max 1.螺胚直径指滚丝前的尺寸，数值为依经验公式计算而得，在实践中需验证。