2024年2月25日发(作者：)

公称直径 D ；d（m m )第一系列第二系列第三系列螺纹基本尺寸螺距p（mm)0.250.20内 螺

中径0.8380.870小径0.7290.783螺距p（mm)0.2公差带中径D2（uD2,d2 (mm)D1,d1(mm)ES4H4H5H+40+4010.250.201.10.8290.8830.254H4H5H5G5H+45+45+74+560.250.201.20.9290.9830.34H4H5H5G5H+48+48+78+601.40.300.201.2051.2071.0751.1830.350.201.61.3731.4701.2211.3830.24H4H5H+42+420.351.80.201.5731.6701.4211.5830.254H4H5H5G5H5H6H0.354H5G5H6G6H0.44H5G5H6G6H0.454H+48+48+78+60+60+53+86+69+104+85+56+90+71+109+90+6020.400.251.7401.8381.5671.7292.20.450.251.0982.0381.7131.9290.450.352.2082.2732.0132.1212.5

5G5H6G6H0.500.352.6752.7732.4592.6210.354H5G5H6G(0.60)0.35`3.53.1103.2732.853.1210.56H5H .6G .6H .7G7H+95+75+115+95+56+60+71+109+90+80+120+100+145+1203公称直径 D ；d（m m )第一系列第二系列第三系列螺纹基本尺寸螺距p（mm)内 螺

中径3.5453.675小径3.2423.459螺距p（mm)公差带中径D2（uD2,d2 (mm)D1,d1(mm)ES40.700.500.64.5(0.75)0.504.0134.1753.6883.9590.750.800.504.4804.6754.1344.4590.80.505.510.750.5010.750.501.2510.75(O.5)5.1754.9596785.3505.5135.6756.3506.5136.6757.1887.3507.5137.6754.9175.1885.4595.9176.1886.4596.6476.9177.1887.4590.7515G6G6H7G7H5G6G6H7G7H5G6G6H7G7H5G6G6H7G7H5G6G6H7G7H＋111＋133+112+161+140+117+140+118+172+150+124+149+125+184+160+128+154+132+192+170+144+176+150+216+190

91(1.25)10.750.501.51.2510.75(0.50)(1.5)10.750.501.751.51.251(0.75)(0.5)21.5(1.25)1.00(0.75)(0.50)1.5(1.0)21.51(O.75)(O.5)8.1888.3508.5138.6759.0269.1889.3509.5139.67510.02610.35010.51310.67510.86311.02611.18811.35011.51311.67512.70113.02613.18813.35013.51313.67514.02614.35014.70115.02615.35015.51315.6757.6477.9178.1888.4958.3768.6478.9179.1889.4599.3769.91710.18810.45910.10610.37610.64710.91711.18811.45911.83512.37612.64712.91713.18813.45913.37613.91713.83514.37614.91715.18815.4591.251.55G5H6G6H7G7H5G5H6G6H7G7H5G5H6G6H7G7H5G5H6G6H7G7H5G5H6G6H7G7H+153+125+188+160+228+200+172+140+212+180+256+224+115+95+138+118+170+150+134+112+162+140+202+180+151+125+186+160+226+2000.50.751公称直径 D ；d（m m )第一系列第二系列第三系列螺纹基本尺寸螺距p（mm)内 螺

中径16.02616.35016.37616.70117.02617.350小径15.37615.91715.29415.83516.37616.917螺距p（mm)公差带中径D2（uD2,d2 (mm)D1,d1(mm)ES171.5(1)2.52.01.511.251.5185G6G6H7G7H5G6G+168+208+180+252+224+182+222

18(0.75)17.51317.188(0.5)17.67517.4592.518.37617.294218.70117.8351.519.02618.376201.019.35018.917(0.75)19.51319.188(0.5)19.67519.4952.520.37619.2942.020.70119.8351.521.02620.37622121.35020.917(0.75)21.51321.188(0.5)21.67521.495322.05120.752222.70121.835241.523.02622.376123.35022.917(0.75)23.51323.1882.023.70122.835251.524.02623.376(1)24.35023.917261.525.02624.376325.05123.752225.70124.835271.526.02625.376126.35025.917(0.8)26.51326.188226.70125.835281.527.02626.376127.35026.9173.527.72726.211(3)28.05126.75230228.70127.8351.529.02628.376129.35028.917(0.75)29.51329.18832230.70129.8351.531.02630.3763.530.72729.211(3)31.05129.75233232.70130.8351.532.02631.3761.7522.50.7511.52

36H+1907G+2687H+2365G+1946G+2346H+2007G+2847H+2505G+2086G+2126H+3037G+2657H+2225G+2666G+2246H+3227G+2807H+1405G+1185H+1726G+1506H+2127G+1907H+1585G+1325H+1966G+1706H+2387G+2127H+1925G+1605H+2326G+2006H+2827G+2507H+2185G+1805H+2626G+2246H+3187G+2807H+2605G+2125H+3136G+2656H+3837G+335

33(1)(0.75)32.35032.51331.91732.1887H

螺 纹 基 本 偏 差 螺 纹D2（um）小径D1(um)外 螺 纹公差带中径d2（um）大径d1(um)Ei00ES+38＋48Ei004h4g6g4g6g6g6h3h4h4h5g6g5h6h5h6h6g6hES0-170-17000-1800-18000-1800-18000-170-17000-180-1800-19-34-1900-19-34-1900Ei-30-55-38-65-48-26-34-60-42-42-71-53-28-36-63-45-45-74-56-25-32-57-40-67-50-28-36-63-45-74-56-40-69-97-82-63-42-72-101-86-67-45ES0-170-17000-1800-18000-1800-18000-170-17000-180-1800-19-34-1900-19-34-1900Ei-36-73-56-73-56-42-42-85-42-67-85-67-48-48-93-48-75-93-75-36-36-73-56-73-56-42-42-85-67-85-67-53-104-119-104-85-60-114-129-114-95-6300+18045+56+74+5600+18000+180+53+67+85+6700+1803h4h4h5g6g5h4h5h6h6g6h3h4h4h5g6g5h6h6g6h00+38+480000+18000+190+1900+190+1900+45+56+74+56+71+63+99+80+119+100+71+109+90+131+112+8000+18000+190+1900+190+19003h4h4h5g6g5G5G6g6h4h5g6g6f6g6h4h5g6g6f6g6h4h

+200+2000+190+1900+200+200+120+100+145+125+63+99+80+119+100+112+160+140+200+180+200+2000+190+1900+200+2005g6g6f6g6h4h5g6g6f6g6h5h6h6e6f6g6h-20-35-2000-19-34-1900-50-35200-76-106-91-71-42-72-101-86-67-60-125-111-9575-20-35-2000-19-34-1900-50-36-200-120-135-120-100-53-104-119-104-85-106-156-142-126-106共六页 第一页螺 纹 基 本 偏 差 螺 纹D2（um）小径D1(um)外 螺 纹公差带中径d2（um）大径d1(um)EiESEiESEiESEi+21+210+210+22+220+220+24+240+240+22+220+220+26+260+260+146+181+160+221+200+162+202+180+246+224+184+224+200+274+250+172+212+190+258+236+216+262+236+326+300+21+210+210+22+220+220+24+240+240+22+220+220+26+260+2605h6h6e6f6g6h5h6h6e6f6g6h6f6g6h8g8h5h6h6e6f6g6h6f6g6h8g8h0-53-36-2100-56-38-220-38-240-2400-56-38-220-40-260-260-67-138-121-106-85-71-146-128-112-90-138-119-95-174-150-80-156-138-122-100-150-138-112-206-1800-53-36-2100-56-38-220-38-240-2400-56-38-220-40-260-260-125-178-161-146-125-140-196-178-162-140-188-174-150-260-236-140-196-178-162-140-220-206-180-306-280

+280+280+280+320+320+320+200+200+200+220+220+220+260+260+260+240+212+293+265+363+335+268+236+332+300+407+375+132+112+160+140+200+180+172+150+212+190+258+236+216+190+262+236+326+300+280+280+280+320+320+320+200+200+200+220+220+220+260+260+2606e6f6g6h8g8h6e6f6g6h8g8h6e6f6g6h-63-42-280-280-67-45-320-320-50-36-200-181-160-146-118-218-190-199-177-164-132-244-212-140-126-110-90-63-42-280-280-67-45-320-320-50-36-200-275-254-240-212-363-335-303-281-268-236-407-375-156-142-126-1066e6f6g6h-56-38-220-162-144-128-106-56-38-220-196-178-162-1406e6f6g6h8g8h-60-40-260-260-178-158-144-118-216-190-60-40-260-260-240-220-206-180-306-280共六页 第二页螺 纹 基 本 偏 差 螺 纹D2（um）小径D1(um)外 螺 纹公差带中径d2（um）大径d1(um)EiESEiESEiESEi+28+280+280+32+32+240+293+265+363+335+268+332+28+280+280+32+326f6g6h8g8h6f6g-42-280-280-45-32-174-160-132-240-212-185-172-42-280-280-45-32-254-240-212-363-335-281-268

0+320+34+340+340+38+380+38 0+42+430+420+220+220+220+260+260+260+320+320+320+380+380+380+480+480+48+300+407+375+299+369+335+459+425+338+413+375+513+475+397+492+450+602+560+172+150+212+192+258+236+216+190+262+236+326+300+268+236+332+300+407+375+338+300+413+375+513+475+448+400+548+500+6780+320+34+340+340+38+380+38 0+42+430+420+220+220+220+260+260+260+320+320+320+380+380+380+480+480+486h8g8h6f6g6h8g8h6f6g6h8g8h6f6g6h8g8h6e6f6g6h7g6g7h6h6e6f6g6h8g8h6e6f6g6h8g8h6e6f6g6h8g8h6e6f6g6h8g0-320-48-340-340-52-380-380-58-420-420-56-38-220-220-60-40-260-260-67-45-320-320-71-52-380-380-85-63-480-48-140-256-224-198-184-150-270-236-212-198-160-288-250-228-212-170-307-265-168-150-134-112-162-140-185-165-151-125-226-200-217-195-182-150-268-236-241-222-208-170-303-265-285-263-248-200-3630-320-48-340-340-52-380-380-58-420-420-56-38-220-220-60-40-260-260-67-45-320-320-71-52-380-380-85-63-480-48-236-407-375-313-299-265-459-425-332-318-280-488-450-393-377-335-572-530-196-178-162-140-162-140-240-220-206-180-306-280-303-281-268-236-407-375-351-332-318-280-488-450-460-438-423-375-648

0+63008h0-3150-600共六页 第三页