螺纹孔径对照表

最大最小最大最小 m1.0×0.250.750.7850.729no.1-64(1.854)1.551.5821.425 m1.1×0.250.850.8850.829no.2-56(2.184)1.801.8711.695 m1.2×0.250.950.9850.985no.3-48(2.515)2.102.1461.941 m1.4×0.31.101.1421.075no.4-40(2.845)2.302.3852.157 m1.6×0.351.251.3211.221no.5-40(3.175)2.602.6972.487 m1.7×0.351.351.4211.321no.6-32(3.505)2.802.8952.642 m1.8×0.351.451.5211.421no8-32(4

. 精选文档 公制螺纹 基本直径内螺纹公差等级外螺纹公差 大 径 中径小径6h7h6g 中径公差小径公差中径公0, 差 小径公差中径公差小径公差 m10*1109.358.9170,+0.1500,+0.2360,+0.1900,+0.300-0.026,-0.138-0.026,0.206 m12*11211.3510.9170,+0.1600,+0.2360,+0.2000,+0.300-0.026,-0.144-0.026,0.206 m14*11413.35122.9170,+0.1600,+0.2360,+0.2000,+0.300-0.026,-0.144-0.026,0.206 m12*1.251211.18810.6470,+0.1800,+0.2650,+0.2240,+0.335

螺纹规格钻头直径 m1.6x0.351.25 m2x0.41.6 m2.5x0.452.05 m3x.052.5 m3.5x0.62.9 m4x0.73.3 m5x0.84.2 m6x15 m8x1.256.8 m8x17 m10x1.58.5 m10x1.258.8 m12x1.7510.2 m12x1.5010.5 m12x1.2510.8 m14x212 m14x1.512.5 m16x214 m16x1.514.5 m18x2.515.5 m18x1.516.5 m20x2.517.5 m20x1.518.5 m22x2.519.5 m22x1.520.5 m24x321 m24x222 m27x324 m27x225 螺纹攻丝底孔对照表

螺纹底孔直径 公制粗牙螺纹 螺纹代号 钻头直径 hss硬质合金 m2×0.41.61.65 m3×0.52.52.55 m4×0.73.33.4 m5×0.84.24.3 m6×1.05.05.1 m8×1.256.86.9 m10×1.58.58.7 m12×1.7510.310.5 m14×2.012.012.2 m16×2.014.014.2 m18×2.515.515.7 m20×2.517.517.7 m24×3.021.0⋯⋯ m30×3.526.5⋯⋯ m36×4.032.0⋯⋯ m42×4.537.5⋯⋯ m45×4.540.5⋯⋯ m48×5.043.0⋯⋯ 细牙螺纹 螺纹代号 钻头直径 铝硬质合金 m2×0.251.751.75 m

单位：mm 公称直径螺距底径公称直径螺距底径 m30.5(标准)2.459m525.0(标准)46.578 m40.7(标准)3.2423.0(细牙)48.752 m50.8(标准)4.134m565.5(标准)50.046 m61.0(标准)4.9173.0(细牙)52.752 m81.25(标准)6.647m646.0(标准)54.046 1.0(细牙)6.9173.0(细牙)56.752 m101.5(标准)8.376m726(细牙)65.505 1.0(细牙)8.917m806(细牙)73.505 m121.75(标准)10.106m906(细牙)83.505 1.5(细牙)

螺纹螺距对照表 来源：机电商情网日期：2011-12-10点击：303 紧固件螺纹直径与螺距对照表 螺纹规m2m3m4m5m6m8m10m12m14m16m18m20m22m24m27m30m33m36m39m42m45m48m52m56m60m64 粗牙螺距0.40.50.70.81.01.251.51.752.02.02.52.52.53.03.03.53.54.04.04.54.55.0 5.05.55.56.0 细牙螺距----1.01.0-1.251.5-1.251.51.51.52.0-1.52.02.02.02.02.03.03.03.03.03.04.0 4.04.04

最大最小最大最小g4-g6g7-g8g9 m1.0*0.250.750.7850.729m12*1.011.0011.15310.917m1.0*0.250.860.88 m1.1*0.250.850.8850.829m12*0.511.5011.52011.400m1.1*0.250.960.98最大 m1.2*0.250.950.9850.929m14*1.512.5012.67612.376m1.2*0.251.061.08g1/167.726.84 m1.4*0.31.101.1421.075m14*1.013.0013.15312.917m1.4*0.31.241.25g(pf)1/89.738.85 m1.6*0.351.251.3211.221m15*1.51

最大最小最大最小g4-g6g7-g8g9g4-g6g7-g8硬材软材 m1.0*0.250.750.7850.729m12*1.011.0011.15310.917m1.0*0.250.860.88no.2-56unc1.942.652.60 m1.1*0.250.850.8850.829m12*0.511.5011.52011.400m1.1*0.250.960.98no.3-482.233.253.20 m1.2*0.250.950.9850.929m14*1.512.5012.67612.376m1.2*0.251.061.08no.4-402.503.753.70 m1.4*0.31.101.1421.075m14*1.013.0013.15312.917

最大最小最大最小 m1.0×0.250.750.7850.729m1.0×0.20.800.8210.783 m1.1×0.250.850.8850.829m1.1×0.20.900.9210.883 m1.2×0.250.950.9850.929m1.2×0.21.001.0210.983 m1.4×0.31.101.1421.075m1.4×0.21.201.2211.183 m1.6×0.351.251.3211.221m1.6×0.21.401.4211.383 m1.7×0.351.351.4211.321m1.7×0.21.501.5211.483 m1.8×0.351.451.5211.421m1.8×0.21.601.6211.583 m2.0×0.41.601.67

v1.0可编辑可修改 1 类别标准名称标准号 与国际标准的关 系 普通螺 纹 普通螺纹基本牙型gb/t192—1981与iso68等效 普通螺纹直径与螺距系列gb/t193—1981与iso261等效 普通螺纹基本尺寸gb/t196—1981与iso724等效 普通螺纹公差与配合gb/t197—1981与iso965/1等效 普通螺纹偏差表gb/t2516—1981与iso965/3等效 商品紧固件的普通螺纹选用系列jb/t7912—1999与iso262等效 商品紧固件的中等精度普通螺纹极限尺 寸 gb/t9145—1988与iso965/2等效 光学螺 纹 光学仪器特种细牙螺纹zbn30006—1988 -光学仪器用目镜螺纹jb/t8204—1995 光学仪器用短牙螺纹jb/

美制螺纹尺寸表单位：mm 外螺纹内螺纹 公称螺纹牙牙螺公差螺纹外径螺纹中径螺纹小径公差螺纹小径螺纹中径螺纹外径钻孔 直径规格数高距代号maxminmaxminmax代号minmaxminmaxmin直径 0.073（#1）1-64unc640.2360.3972a1.838961.742441.582421.531621.366522b1.424941.582421.597661.66371.85421.397 1.8543a1.85421.757681.597661.559561.381763b1.424941.582421.597661.645921.85421.397 1-72unf720.210.3532a1.83896

公称直径 (d) 螺距 (p) 公称直径 (d) 螺距 (p) 0.84.1343 0.54.4592 14.9171.5 0.755.1881 1.256.6473.5 16.9173 0.757.1882 1.58.3761.5 1.258.6471 18.9174 0.759.1883 1.7510.1062 1.510.3761.5 1.2510.6474.5 110.9174 211.8353 1.512.3762 1.2512.6471.5 112.9175 213.8354 1.514.3763 114.9172 2.517.2941.5 217.8355.5 1.518.3764 118.9173 320.7522 221.8351.5 1.522.376 m2

no.1-64(1.854)1.551.5821.425no.0-80(1.524)1.251.3051.182 no.2-56(2.184)1.801.8711.695no.1-72(1.854)1.551.6121.474 no.3-48(2.515)2.102.1461.941no.2-64(2.184)1.851.9121.756 no.4-40(2.845)2.302.3852.157no.3-56(2.515)2.102.1972.025 no.5-40(3.175)2.602.6972.487no.4-48(2.845)2.402.4582.271 no.6-32(3.505)2.802.8952.642no.5-44(3.175)2.702.7402.551 no.8-32(4.166)3

美制螺纹参数对照表 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 螺胚直径 最小最大最小最大最小最大 8-32 unc 0.15710.16310.13990.14280.1248 3.583.61 (0.164-32)3.99034.14273.55353.62713.1699 10-240.18180.18900.15860.16190.1379 4.074.10 (0.190-24)4.61774.80064.02844.11233.5027 12-240.20780.21500.18450.18790.1639 4.724.75 (0.216-24

螺纹代号对照表 螺纹名称中国iso日本美国英国法国德国前苏联 60°普通 螺纹 mps 60°圆锥 管螺纹 npt z(旧)npt 55°圆柱 管螺纹grp g pf bsp bsppg r(内螺纹) k(外螺纹) g tpyь 55°圆锥 管螺纹 zg r(外螺纹) r(外螺纹) rc(内螺纹) pt r bspt r(外螺纹) rc(内螺纹) g(外螺纹) r(外螺纹)r (外螺纹) 55°梯形 螺纹 tr(新) t(旧)trtrtr 60°米制 锥螺纹zm 3°30°米制 锯齿螺纹b 国外螺纹的代号和标注识别 1.英制螺纹(螺纹牙型角55度) bsw----英国标准惠氏螺纹(粗牙)bsf----英国标准惠氏螺纹(细牙

螺纹加工底孔直径对照表 本文件包含内容 公制粗螺纹2级牙底孔径对照表 公制细螺纹2级牙底孔径对照表 美制粗螺纹2级牙底孔径对照表 美制细螺纹2级牙底孔径对照表 公制迫牙丝攻钻孔径对照表 美制迫牙丝攻钻孔径对照表 美制特细螺纹2级牙底孔径对照表 英制电器螺纹底孔径对照表 英制管螺纹(ps）底孔径对照表 英制管螺纹(pt）底孔径对照表 美制管螺纹(npt、nps）底孔径对照表 英制螺纹(unef）底孔径对照表 公制螺纹（滚造径）底孔径对照表 针车用其所长螺纹（滚造径）底孔径对照表 英制圆柱管螺纹(55度）加工一览表 英制锥管螺纹(55度）加工一览表 布锥管螺纹加工一览表 美制unc、unf螺纹参数表 惠氏bsw、bsf螺纹参数表 公制螺纹特殊材质工件加工底孔径对照表 非密封管螺纹底孔径对照表 英制锥管螺纹和英制锥螺纹攻丝前钻底孔的钻头直径 日标英制锥度管螺纹底孔径

公制粗牙内螺纹 规格标准径 6h精度 dmaxdmin m1.4*0.31.101.161.075 m1.6*0.351.251.3211.221 m1.8*0.351.451.5211.421 m2.0*0.41.601.6791.567 m2.2*0.451.751.8381.713 m2.5*0.452.052.1382.013 m3.0*0.52.502.5992.459 m3.5*0.62.903.012.85 m4.0*0.73.303.4223.242 m4.5*0.753.753.8783.688 m5.0*0.84.204.3344.134 m5.5*0.55.005.0994.959 m6.0*1.005.005.1534.917 m

英制螺纹对应公制（mm)底孔直径公制螺纹底孔直径 1/8"3.182.70m1.00.80 5/32"3.973.30m2.01.80 3/16"4.763.80m3.02.50 1/4"6.355.10m4.03.30 5/16"7.946.60m5.04.20 3/8"9.538.00m6.05.00 7/16"11.119.40m7.06.00 1/2"12.7010.70m8.06.80 5/8"15.8813.70m9.07.80 3/4"19.0516.70m10.08.50 7/8"22.2319.50m12.010.30 1"25.4022.40m14.012.00 m16.014.00 m18.015.50 m20.017.50 m22.019.50 m24.

规格标准径最大最小 sm1/6(1.58)-801.251.2811.211 sm5/64(1.98)-641.551.5931.513最大最小 sm3/32(2.38)-561.91.9361.841m2.3×0.41.901.9791.867 sm3/32(2.38)-1002.12.1562.081m2.5×0.452.102.1382.013 sm1/8(3.17)-322.3(2.293)(2.233)m2.6×0.452.202.2382.113 sm1/8(3.17)-402.52.5512.421m3.0×0.52.502.5992.459 sm1/8(3.17)-442.52.6052.485m3.5×0.62.903.0102.850 sm1/8(3.17)-482.62.6

hss硬质合金 1.61.65 2.52.55 3.33.4 4.24.3 5.05.1 6.86.9 8.58.7 10.310.5 12.012.2 14.014.2 15.515.7 17.517.7 21.0⋯⋯ 26.5⋯⋯ 32.0⋯⋯ 37.5⋯⋯ 40.5⋯⋯ 43.0⋯⋯ m3×0.5 m4×0.7 m5×0.8 m6×1.0 m2×0.4 螺纹代号 m2×0.2 m16×2.0 m18×2.5 m20×2.5 m24×3.0 m8×1.25 m10×1.5 m12×1.75 m14×2.0 公制普通粗牙螺纹 m48×5.0 m30×3.5 m3×0.3 m4×0. m5×0. m6×0.7 螺纹代号 钻头直径 m36×4.0 m42×4.5 m45×4.5 m8×1. m10×1

螺纹规格钻头直径 m1.6x0.351.25 m2x0.41.6 m2.5x0.452.05 m3x.052.5 m3.5x0.62.9 m4x0.73.3 m5x0.84.2 m6x15 m8x1.256.8 m8x17 m10x1.58.5 m10x1.258.8 m12x1.7510.2 m12x1.5010.5 m12x1.2510.8 m14x212 m14x1.512.5 m16x214 m16x1.514.5 m18x2.515.5 m18x1.516.5 m20x2.517.5 m20x1.518.5 m22x2.519.5 m22x1.520.5 m24x321 m24x222 m27x324 m27x225 螺纹攻丝底孔对照表

螺纹加工底孔直径对照表 本文件包含内容 公制粗螺纹2级牙底孔径对照表 公制细螺纹2级牙底孔径对照表 美制粗螺纹2级牙底孔径对照表 美制细螺纹2级牙底孔径对照表 公制迫牙丝攻钻孔径对照表 美制迫牙丝攻钻孔径对照表 美制特细螺纹2级牙底孔径对照表 英制电器螺纹底孔径对照表 英制管螺纹(ps）底孔径对照表 英制管螺纹(pt）底孔径对照表 美制管螺纹(npt、nps）底孔径对照表 英制螺纹(unef）底孔径对照表 公制螺纹（滚造径）底孔径对照表 针车用其所长螺纹（滚造径）底孔径对照表 英制圆柱管螺纹(55度）加工一览表 英制锥管螺纹(55度）加工一览表 布锥管螺纹加工一览表 美制unc、unf螺纹参数表 惠氏bsw、bsf螺纹参数表 公制螺纹特殊材质工件加工底孔径对照表 非密封管螺纹底孔径对照表 英制锥管螺纹和英制锥螺纹攻丝前钻底孔的钻头直径 日标英制锥度管螺纹底孔径