机械设计表：螺纹与螺纹联接数据表

1、10螺纹与螺纹联接10螺纹 10.1.1普通螺纹表 10 1 普通螺纹基本尺寸（摘自 GB/T196-2003）基木尺寸D=d3DZ*J-2X8/M/1-0.64952P5Di =Ji=J-2x8/=/-1.08253P公称直径 D、d螺距P中径6 或小径Di 或 d公称直径螺距P中径6 或2小径D 或 d第系列第系列第三 系列第一系列第二 系列第三 系列10.250.8380.7923.5(3.6)3.1102.8500.20.8700.7830.353.2733.1211.10.250.9380.82940.73.5453.2420.20.9700.8830.53.6753.4591.20

2、.251.0380.9294.5(0.75)4.0133.6880.21.0700.9830.54.1753.9591.40.31.2051.07550.84.4804.1340.21.2701.1830.54.6754.4591.60.351.3731.2215.50.55.1754.9590.21.4701.3836153504.9171.80.351.5731.4210.755.5135.1880.21.6701.5837163505.91720.41.7401.5670.756.5136.1880.251.8381.72981.257.1886.6472.20.451.9081.713

3、173506.9170.252.0381.9290.757.2506.9172.50.452.2082.0139(1.25)&1887.6470.352.2732.121183507.91730.52.6752.4590.75&5138.1880.352.7732.621101.59.0268.376101.259.1888.64724322.05120.75219350&917222.70121.8350.759350&9171.523.02622.917p2(mm)11(1.5)10.0269.376123.35022.9171103509.91725223

4、.70122.8350.7510.51310.1881.524.02623.376121.7510.86310.10612435023.9171.511.02610.376261.525.02624.3761.2511.18810.64727325.05124.835111.35010.917225.70124.83514212.70111.8351.526.02625.3761.513.02612.37612635025.917(1.25)113.18812.647113.35012.91728226.70125.835151.514.02613.3761.527.02626.376(1)1

5、435013.917127.35026.91716214.70113.835303.527.72726.2111.515.02614.376(3)28.05116.75211535014.917228.70127.835171.516.02615.3761.529.02628.376(1)1635015.917129.35028.917182.51637615.29432230.70129.835216.70115.8351.531.02630.3761.517.02616.376333.530.72729.21111735016.917(3)31.05129.752202.51837617.

6、294231.05129.752218.70117.8351.532.02631.3761.519.02618.3763521.534.02633.37611935018.91736433.40231.670222.520.37619.294334.05132.752220.70119.835234.70133.8351.521.03620.3761.535.02634.37612135020.917381.537.02636.37639436.40234.670565.552.42850.046337.05135.752453.40251.670237.70136.835354.05152.

7、7521.538.02637.3736254.70153.83540338.05136.7521.555.02654.376238.70137.83558455.40253.6701.539.02638.376356.05154.752424.539.07737.129256.70155.835439.40237.6701.557.02656.376340.05138.752605.556.42854.046240.70139.835457.40255.6701.541.02640.376358.05156.752454.542.07740.129258.70157.835442.40240.

8、6701.559.02658.376343.05141.75262459.40257.670243.70142.835360.05158.7521.547.02646.376262.70159.83548544.75242.5871.561.02660.376445.40243.67064660.10357.505346.05144.752461.40259.670246.70145.835362.05160.7521.547.02646.376262.70161.8355034835146.7521.563.02662.376248.70147.83565462.40260.6701.549

9、.02648.376363.05161.75252548.75246.587263.70162.835449.40247.6701.564.02663.376350.05148.75268664.10361.505250.70149.835465.40663.6701.551.02650.376366.05164.75255452.40250.670266.70165.835353.05151.7521.567.02666.376253.70152.835706660363.5051.554.02653.376467.40265.67070368.05166.752100696.10393.5

10、05268.70167.835497.40295.6701.569.02668.376398.05196.75272668.10365.505298.70197.835469.40267.6701056101.10398.505370.05168.7524102.402100.670270.70169.8353103.701102.8351.571.2670.3762103.701102.83575斗72.40270.6701106106.103103.505373.05171.7524107.402105.670273.70172.8353108.51106.7521.575.2674.37

11、62113.701112.83576672.10369.5051156111.103108.505473.40271.6704112.402110.670374.05172.7523113.051111.752274.70173.8352113.701112.8351.575.02674.3761206116.103113.50578276.70175.8354117.402115.67080676.10373.505311&051116.752斗77.4275.670211&701117.835378.05176.7521258119.804116.340278.70177.

12、8356121.10311&5O51.579.02678.3764122.402120.67082280.70179.8353123.051121.75285681.10378.5052123.701122.835斗82.40280.6701308134.804121.340383.05181.7526126.103123.505283.70182.8354127.402125.67090686.10383.5053128.051126.752斗87.40285.6702128.701127.835388.05183.7521356131.103128.505288.70187.835

13、4132.402130.67095691.10388.5053133.051131.752斗92.40290.6702133.701132.835393.05191.7521408134.804131.340293.70192.8356136.103133.5051404137.42135.6701854182.42180.6703138.051136.7523183.051181.7522138.701137.8351908184.804181.3401456141.103138.5056186.103183.5054142.402140.6704187.402185.6703143.051

14、141.7523188.051186.7522143.701142.8351956191.103188.5051508144.804144.3404192.402190.6706146.103143.5053193.051191.7524147.402145.6702008194.804191.3403148.051146.7526196.103193.5052148.701147.8354197.4002195.6701556151.103148.5053198.051196.7524152.402150.6702056201.103198.5053153.051151.7524202.40

15、2200.6701608154.804151.3403203.051201.7526156.103153.5052108204.804201.3404157.402155.6706206.103203.5053158.051156.7524207.402205.6701656161.10315&5053208.051206.752斗162.402160.6702156211.103208.5053163.051151.7524212.402210.6702163.701162.8353213.051211.7521708164.804161.3402208214.804211.3406

16、166.103163.5056216.103213.505斗167.402165.6704217.402215.6703168.051166.7523218.051216.7521756171.103168.5052256221.103218.5054172.402170.6704222.402220.6703173.051171.7523223.051221.7521808174.804171.3402308224.804221.3406176.103173.5056226.103223.505斗177.402175.6704227.402225.6703178.051176.7523228

17、.051226.7521856181.103178.5052356231.103228.505235斗232.40223.6702654262.42260.6703233.051231.7522708264.804261.3402408234.804231.3406266.103263.5056236.103233.5054267.402265.670斗237.402235.6702756271.103268.5053238.051236.7524272.402270.6702456241.10323.8.5052808274.804271.3404242.40224.0.6706276.10

18、3273.505243.051241.7524277.402275.6702508244.804241.3402856281.103278.5056246.103243.5054282.402280.6704247.402245.6702908284.804281.3403248.051246.7526283.103283.5052556251.103248.5054287.402285.6704252.402250.6702956291.103288.5052608254.804251.3404292.402290.6706256.103253.5053008294.804291.34042

19、57.402255.6706296.10329.5052656261.103258.5054297.402295.6701M14*1 25仅用于火花塞。2M35* 1.5仅用于滚动轴承锁紧螺母。10.1.2 梯形螺纹(GB/T5796.1-5796.3-1986)这种梯形螺纹不适应于对传动精度有特殊要求的场合，如机床的丝杠。这类精密梯形螺纹应 按 JB/T2886-1992机床梯形螺纹丝杠、螺母技术条件中的有关规圧。表 10.2 梯形螺纹牙型尺寸1l=0.5PZ=O.25P=/7i/2/?lmax=0.5f/c/?2max=Zcl 牙顶间隙ih=d2h,DH05PD=J+2“cD、=dP(mm

20、)公称直径螺距 P公称直径螺距 P公称直径螺距 P公称直径螺距 P第一系列第二系列第一系列第系列第系 列第系列第系 列第系 列81091.52 1.53236303410, 6 37080657516, 10416018017028, 16 628, 18 81211143 , r3 240384210, 7 390859518, 12420022019021032, 18 836, 20 81620184 ，244484612, 7 312, 8 310012011013020, 12422, 20 836, 22 8242822268, 5 35260505512

21、, 8 314, 9 3140 15024, 14624, 16626028025027040, 22 1240, 24 12注:牙顶间隙：P=L5, ac=0.15： P=2-5, t/c =0.25： P=6-12, ac=0.5；P= 14-40, &=1。10.1.3锯齿螺纹表 10 3 直径.螺距系列与牙型尺寸(GB/13576.3-1992)/i=O.75P:DZO75Pac=017767P:J3=J-1.735534/B=/I+de=0.867767P; Di=/-1.5P/?=0.12427 IP:(mm)公称直径螺距 P公称直径 d腳 i P公称直径 d螺距 P第一系

22、列第二系列第一 系列第二系列第一 系列第二系列102605514,3920019032,184,812143#270 ,80657516 ,410220210 23036,204,816, 20184 t 29085 ,18 ,1224036,228M3695424, 2822268 , 5310011020 , 12426025040,221232, 36303410, 6 ,312013022241240384210 ,7 314024,24 124412 7,31601702&16634032044, 1248, 5246 ,5

23、012 , 8318028 18 S380360 4001210.2螺栓表 10.4 粗牙(GB/T57822000)六角头螺栓标记示例：螺纹规格 d=M12.公称长度 l=80mm.性能等级为8 8级、表面氧化、A 级八角头摞栓的标记：螺栓 GB/T 5782M12X80螺纹规格 d=ml2X1.5s 公称长度 l=80mms 细牙螺 纹、性能等级为 8 8级、表面氧化、A 级/弋角螺栓 的标记：螺栓GB/T 5785M12X1.5X80(mm)螺纹规格(6g)dM3M4M5M6M8M10M12(Ml 4)M16dXPM8X1M10X1M12X1.5(M14X1.5)M16 X1.5(M12

24、 X1.25)(M12 X1.25)b(参 考)/W125121416182226303438125200斗 145495757e minA级6.017.668.7911.0514.3817.7720.0323.3626.75B级1 丄 217.5919.8522.7826.17smax5.578101316182124minA级5.326.787.789.7812.7315.7317.7320.6723.67B 级12.5715.5717.5720.1623.16k公称22.83.545.36.47.58.810I1长度 范围A级20-3025-4025-4030-6035-8040-100

25、45-12045-14055-140B级160d(M18)M20(m22)M24(M27)M30(M33)螺纹规格 I a(6g)、1dxp(M18 X1.5)(M20 X2)(M22 X1.5)M24X2(M27 X2)M30X2(M33 X2)M36X3M20 X1.5b（参考）/W12542465054606672781252006165697379859197e minA级30.1433.5337.7239.98B级29.5632.9537.2939.5545.350.8555.3760.79smax2730343641465055minA级26.6729.6733.3835.38B

26、级26.1619.16333540454953.8k公称11.512.51415171&72122.5l1长度范围A级60-15065-15070-15080-15090-15090-150100-150110-150B级160-180160-200160-220160-240160-260160-300160-320110-360螺纹规格（6g）d(M39)M42(M45)M48(M52)M56(M60)M64dXp(M39X3)M42X3(M45 X3)M48X3(M52 X4)M56X4(M60 X4)M64X4b（参考）圧 125841252001031911512112913

27、7145153e minB级66.4471.376.9582.688.2593.5699.21104.86smax6065707580859095minB级5&863.16&173.17&182.887.892.8k公称2526283033353840长度范围B级130-380120-400130-400140-400150-400160-400180-400200-4001 长度系列为 20-50（5 进位）、（55）、60、（65）、70-160（10 进位）、180-400（20 进位）。 2GB/T5789 规定为 160300。注：1括号内为非优选的螺纹规格，

28、尽可能不采用。2表面处理、钢一氧化、镀锌钝化：不锈钢一不经处理。3 性能等级M8-M20(M22) (M39)M42-M64钢8.8. 10.9按协议不锈钢A270A250按协议表 10.5 螺杆带孔（GB/T31.11988）、头部带孔（GBAT32.11988）六角头螺栓标记示例：螺纹规格 d=M12.公称长度 1=80 x 性能等级为 8. 8 级、氧化、A 级六 角头螺杆带孔螺栓的标记：螺栓 GB/T31. 1 M12X80(mm)螺纹规格 d(6g)M6 M8MI0M12(M14)M16(Ml 8)M20 (M22)M24 (M27)M30M36M42M48diminGB/T31.1

29、1.6 22.53.2456.38GB/T32.11.6 234h22.63.23.74.455.777.5&59.311.551315llh34567891012性 能等 级钢8.8. 10.9按协议不锈钢A270A250表而 处理钢1)氧化 2)镀锌氧化不锈钢不经处理注：1 其他尺寸见表 4-17.2 尽可能不釆用括号内的规格。表 10.6 细牙螺杆带孔(GB/T31.1-1988).细牙头部带孔(GB/T32.1-1988)六角头螺栓标记示例：螺纹规格 d=M12X1.5.公称长度 l=80mm.细牙 螺纹.性能等级为 8 8 级.表面氧化.A 级六角 头螺杆带孔螺栓的标记：螺栓

30、 GB/T31. 3 M12X1. 5X80(nun)螺纹规格Xp(6g)M8X1M10X1M12 X1.5(M14 X1.5)M16 X1.5(M18 X1.5)M20X2minGB/T31.322.53.24GBAT32.323l-lh456A2.63.23.74.455.76.2性能钢8.8. 10.9GB/T3I 2GB/T31 1Kr-i 一GB/T32 I等级不锈钢A270螺纹规格 JXp(6g)(M22 X1.5)M24X2M27X2M30X2M36X3M42 X 3M48 X 3dGB/T31.35638minGB/T32.334螺纹规格 MXp(6g)M22X1.5M24X2

31、M27X2M30X2M36X3M42X3M48 X 31lh7891012la77.58359311.21315性能钢8.8. 10.9按协议等级不锈钢A250表而钢1)氧化2)镀锌氧化处理不锈钢不经处理注：1 其他尺寸见表 417。2 尽可能不采用括号内的规格。表 10.7 粗牙全螺纹六角头螺栓(GB/T57832000)螺纹规格(6g)M3M4M5M6M8M10M12(M14)M16a max1.522.433.754.55.2566e minA级6.017.668.7911.05143817.7720.03233626.75smax5.578101316182124minA级5.326.

32、787.789.7812.7315.7317.7320.6723.67斤公称22.83.545.36.47.5&810A级6308-4010-5012-6016-8020-10025-12030-14030-100性能等级钢&8、10.9不锈钢A270表面处理钢1)氧化2)镀锌钝化不锈钢不经处理螺纹规格 d(6g)(Ml 8)M20(M22)M24(M27)M30(M33)M36a max7.57.57.59910.510.512da max20.222.424.426.430.433.436.439.4e minA级30.1433.5337.7239.98B级29.5637.

33、2945.250.8555.3760.79标记示例:螺纹规格 d二 M12、公称长度l=80nxn. 性能等级为 88级、 表面氧化.全螺纹、A级 六角头螺栓标记：螺栓 GB/T 5783 M12X80(mm)Smax2730343641465055minA级26.6729.6733.3835.38B级26.163340454953.8螺纹规格（1（6g）(Ml 8)M20(M22)M24(M27)M30(M33)M36k 公称11.512.514151718.72122.5长度范用A级35-10040-15045-15040-10055-20060-20065-20070-200B级160-

34、200160-200性能等级钢8.8 . 10.9不锈钢A270A250表面处理钢1）氧化2）镀锌钝化不锈钢不经处理螺纹规 格d（6g）(M39)M42(M45)M48(M52)M56(M60)M64a max1213.513.5151516.516.518eminB 级66.4471.0376.9582.688.2593.5699.21104.86smax6065707580859095B 级58.863.16773.17&182.887.892.8k公称2524283033353840/* 长度 范弗 1A 级80-20080-20090-200100-200100-200110-

35、200110-200120-200性 能等 级钢&8 、10.9不 锈钢A2 50按协议表 而处 理钢1）氧化2）镀锌钝化锈 钢不经处理1 长度系列为 6、8、10、12、16. 20-70（5 进位）、70-160（10 进位）、160-200（20 进位）。 注：括号内为非优选的螺纹规格。表 10.8 细牙全螺纹六角头螺栓（GB/T57862000）（）（图同表 9.22）(mm)螺纹规格(6g)(M22X1.5)M24X2(M27 X2)M30 X2(M33 X2)M36 X3(M39X3)amax4.5666699e minA级37.5239.98B级37.2939.5545.

36、250.8555.3760.7966.44smax34364146505560minA级33.3835.38B级333540454953.85&8k公称1415171&72122.525lx长度范围A级45-15040-150B级160-220160-22055-28040-22065-36040-22080-380性能等级钢5.6. &8、10.9不锈钢A270. A470、A250、A450表面处理钢氧化不锈钢简单处理螺纹规格g(6g)M42 X3(M45 X3)M48X3(M52 X4)M56X4(M60 X4)M64X4a max99912121212螺纹规格d

37、Xp(6g)M X81M10X1M12X1.5(M14 X1.5)M16X1.5(M18 X1.5)(M20X2)(MIO X1.25)(MI2 X1.25)M20X1.5a max33(4)24.5(4)24.54.54.54.5(6)2e minA级14.3817.7720.03233626.7530.1433.53B级14.2017.5919.8522.7826.1729.5632.95smax13161821242730minA级12.7315.7317.7320.6723.6726.6729.67B级12.5715.5717.5720.1623.1626.1629.16k公称5.36

38、.47.58.81()11.512.57*A级16-9020-10025-12030-14035-15035-15040-150B级160160-180160-200性能等级钢 不锈钢钢不锈钢5.6、&8、10.9A270、A470氧化表而处理简单处理e minB级71376.9582.688.2593.5699.21104.86smax65707580829095minB级63.16&173.17882.887.892.8k 公称26283033353840/长度范围B级9072090-440100780100-500120-500110-500130-500性能等级钢不锈钢

39、按协议表面处理钢氧化不锈1勺简单处理长度系列为 16、20-70(5进位)、70-160(10进位)、180-500(20进位)。注：括号内为非优选的螺纹规格。标记示例螺纹规格 d=M12X1.5,公称长度 1=80、 细牙螺纹、 性能等级为 8.8级、 表而氧化、 全螺纹、 A 级六角头螺栓的标记： 螺栓 GB/T576812X1.5X80。表 10.9 六角头头部带槽螺栓(GB/T29.11986)标记示例：螺纹规格 d=M12x 公称长度 l=80mm.性能等级为 8 8 级、表巾冷全螺纹.A 级六角头头部带槽螺栓的标记：螺栓 GB/T29. 1 M12X80(mm)螺纹规格 d(6g)

40、M3M4M5M6M8M10M12n0.81.21.21.622.53tmin0.711.21.41.92.43性能等级钢&8. 10.9不锈钢A270注:其他尺寸见表 420。标记示例：螺纹规格 d=M12s 公称长度 l=80mm.性能等级为 5. 8级、不经表面处 理.B 级六角头螺栓的标记： 螺栓 GB/T5784 M12X80(mm)螺纹规格 d(6g)M3M4M5M6M8M10M12(Ml 4)M16M200(参考)圧 12512141618222630343846表 10.10 B 级细杆六角头螺栓(GB/T57842000)12512200283236404452emin

41、5.987.508.6310.8914.2017.5919.8522.7826.1732.95max5.57810131618212430smin5.206.647.649.6412.5715.5717.5720.1623.1629.16k公称22.83.5斗5.36.47.58.81012.5八长度范围20-30207025-5025-6030-8040-10045-12050-14055-15065-150性能等级钢5.86.8、8.8不锈钢A270表而处理钢1）不经处理 2）镀锌钝化 3）氧化不锈钢不经处理1 长度系列位 20-50（5 进位）、（55）、60、（65）、70-150（1

42、0 进位） 注：尽可能不采用括号内的规格。表 10.11 C 级六角头螺栓（GB/T57802000）和全螺纹六角头螺栓（GB/T57812000）标记示例：螺纹规格 d=M12.公称长度 l=S0mni.性能等级 为 4 8 级、不经表面表面处理、C 级八角头螺栓的 标记：螺栓 GB/T5780 M12X80螺纹规格 d（8g）M5M6M8MIOM12(Ml 4)M16(M18)M20(M22)M24(M27)bZW125161822263034384246505460125200353741454953576165697379a max2.4344.55.3667.57.57.599e m

43、in8.6310.8914.217.5919.8522.7826.1729.5632.9537.2939.5545.2k公称3.545.36.47.58.81011.512.5141517smax81013161821242730343641min7.649.6412.5715.5717.5720.1623.1626.1629.16333540tGB/T578025-5030-6040-8045-10055-12060-14065-16080-18065-20090-220100-240110-260GB/T578110-5012-6016-8020-10025-18030-14030-160

44、35-18040-20045-22050-24055-280(mm)CB/75780CP/T5781钢3.6. 4.6. 4.8性能等级螺纹规格 d（8g）M30(M33)M36(M39)M42(M45)M48(M52)M56b/W1256672125200859197103109115121129137ba max10.510.5121213.513.5151516.51(e min50.8555.3760.7966.4472.0276.9582.688.2593.569k公称1&72122.52526283033353：smax4650556065707580859(min4549

45、53.85&863.86&173.17&182.88长度范围GBAT5780120-300130-320140-360150-400180-420180740200-480200-500240-500GBAT578160-30065-36070-36080-4008072090-440100780100-500110-5001：性能 等级钢3.6. 4.6、4.8按协议表而 处理钢1）不经处理2）电镀3）非电解质锌粉覆盖层1 长度系列为 10、12、16、20-70（5 进位）、70-150（10 进位）.180-500（20 进位）。注：尽可能不采用括号内的规格。10

46、.3螺钉10.3.1机器螺钉表 10.12 开槽圆柱头螺钉（摘自 GB/T65-2000）.开槽盘头螺钉（摘自 GB/T67-2000）开槽沉头螺钉（摘自 GB/T68-2000）.开槽沉头螺钉（摘自 GB/T69-2000）标记示例：螺纹规格 d=M5.公称长度 l=20mm、性能等级为 4.8 级、不 经表而处理的开槽闘柱头螺钉标 记为：螺钉 GB/T65M5X20表而处理1）不经处理 2）电镀3）非电解质锌粉覆盖层(mm)螺纹规格dM1.6M2M2.5M3(M3.5)M4M5M6M8MIOamax0.70.80.911.21.41.622.53bmin2538”公称0.40.50.60.

47、811.21.21.622.5xmax0.911.11.251.51.7522.53.23.8dk maxGB/T65 3.003.804.505.5067&5101316GB/T67 3.2455.678.59.5121620GB/T68GB/T6933.84.75.57.38.49.311.315.81&3kmaxGB/T65 l01.401.802.002.42.63.33.956GB/T6711.31.51.82.12.433.64.86GB/T68GB/T6911.21.51.652.352.73.34.655/ minGB/T65 0.450.60.70.8511.

48、11.31.622.4GB/T67 0.350.50.40.70.811.21.41.62.4GB/T68 0.320.40.50.60.9111.21.82GB/T69 0.640.811.21.41.622.43.23.8r minGB/T65GB/T6700.20.250.4/ maxGB/T68 0.40.50.60.80.911.31.522.5GB/T69 0.50.60.80.911.21.51.82.43Tf参考GB/T67 0.50.60.80.911.21.51.82.43l：f *GB/T69 3斗569.51216.519.5wminGB/T69 0.40.50.60.

49、711.21.422.3iv minGB/T65GB/T670.40.50.70.7511.11.31.622.40.30.40.50.70.811.21.41.92.4p长度范围GB/T65 2-163-203-25430535540 6-508-6010-8012-80GB/T67 2-162.5-203-25430535540 6-508-6010-8012-80GB/T68GB/T692.5-163-204-255306-356-408-508-6010-8012-80全螺纹时最大长 度30GBAT65-40GB/T67-69-45性能等级钢4.8. 5.8不锈钢A2-50. A2-7

50、0表而处钢1）氧化 2）镀锌钝化不锈钢不经处理长度系列为 2. 2.5、3、4、5. 6-16 （2 进位）.20-80 （5 进位）。表 10.13 十字槽盘头螺钉（摘自 GB/T818-2000）.十字沉头螺钉（摘自 GB/T819-2000）. 十字半沉头螺钉（摘自 GB/T820-2000）.十字圆柱头螺钉（摘自 GB/T823-2000） 十字槽小盘头螺钉（摘自 GB/T823-1988）CB/T 919faCB/T 8ta(mm)螺纹规格dM1.6M2M2.5M3(M3.5)M4M5M6M8M10amax0.70.80.911.21.41.622.53bmin2538damax2.

51、02.63.13.644.75.76.89.211.2xmax0.911.11.251.51.7522.53.23.8(1kmaxGB/T8183.2455.6789.5121620GB/T819.1GBfT82033.84.75.57.38.49.311315.81&3GB/T822-4.5567&51013.0GB/T8233.54.55.567910.514kmaxGB/T8181.31.62.12.42.633.74.667.5GB/T819.1GB/T82011.21.51.652352.73.34.655GB/T8221.82.02.42.63.33.95GB/T8

52、231.41.82.152.452.753.4545.4rminGB/T8180.10.20.250.4GB/T8220.10.20.250.4GB/T8230.10.20.250.4标记示例：螺纹规格 d=M5.公称l=20mnK 性能等级为 4.8 级、 不; 浙处理的开槽圆柱头螺钉标记为:螺钉 GBZT818 M5X20822823A凰的或平GB/TCB/TrmaxGB/T819GB/T8200.40.50.60.80.911.31.522.5rf*GB/T8182.53.24566.58101316GB/T8203456&59.51216.519.5GB/T8234.56789

53、121418fGB/T8200.40.50.60.70.811.21.422.3十字槽GBAT818槽号01234H型 插入 深度max0.951.21.551.81.62.42.93.64.65.8min0.70.91.151.41.41.92.4345.2Z型 插入 深度max0.91.21.51.751.932.352.753.54.55.7min0.650.851.11.351.481.92.33.054.055.25GB/T819.1槽号01234H型 插入 深度max0.91.21.82.12.42.63.23.54.65.7min0.60.91.41.71.922.7345Z型

54、插入 深度max0.951.21.7522.22.53.053.454.65.65min0.70.951.451.61.752.052.63455.2GBAT820槽号01234H型 插入 深度max1.21.51.852.22.753.23.445.256min0.91.21.51.82.252.72.93.54.755.5Z型 插入 深度max1.21.41.752.12.7033.353.855.26.05min0.95151.51.82.252.652.93.44.755.6GBAT822槽号1234H型 插入 深度max1.200.86151.452.142.253.73min1.6

55、21.431.732.032.732.864.36GBAT823槽号123H型 插入 深度max1.011.421.431.732.032.732.864.38min0.601.000.86151.452.142.263.73p长度范围3-163-203-254-305-355-406-508-6010-6012-60全螺纹时 最大长度GB/T818GB/T819.1GB/T82025252525404040404030454545GBE82230304040GB/T823202530354050性能等级钢4.8不 GB/T818A2-50. A2-70锈 钢GB/T820GB/T822A2-

56、70GB/T823Al-50. C4-50有色金属CU2 . CU3. AU4表而处理钢1）简单处理 2）镀锌钝化不锈钢简单处理有色金属简单处理注：尽可能不采用括号内的规格。长度系列为 2、2.5. 3、4、5、6 （2进位）、20-80 （5进位）。GB/T818 的 M5 长度范围为6-45 o表 10.14 十字槽沉头螺钉（摘自 GB/T819.2-1997）(mm)螺纹规格dM2M2.5M3(M3.5)M4M5M6M8MIObmin2538xmax111.251.51.7522.53.23.8dkmaxkmax1.21.51.652.352.73.34.655rmax0.50.60.8

57、0.911.31.522.5IT槽系列 1槽号01234H 型 max1.21.822.42.63.23.54.65.7头下不带台启的螺钉 用于插入深度系列 1 （深的）标记示例：螺纹规格 d=M5.公称长度 l=20mm、 性能等级为 8.8 级、H 型十字槽，其 插入深度由制造者任选的系列 1 或 系列2、不经表面处理的十字槽沉头 摞钉标记为：螺钉 GBrT819.2 M5 X 20 如有特殊悄况需耍抬定两个系列之 一者.则该系列熾得数码（如，系 列 1）应在标记中表示：螺钉 GBAT819.2 M5X2O-H1头下不带台眉的蛭钉 用于插入深度系列 2（湧的）深)(的插入 深度min0.9

58、1.41.71.922.7345Z 型 插入 深度max1.21.732.012.202.513.053.454.605.64min0.951.451.761.752.062.603.00455.19系列 2（浅 的）槽号01234H型 插入 深度max 1.21.551.82.12.62.83.34.45.3min0.91.251.41.622.32.83.94.8Z 型 插入 深度max1.21.471.832.052.512.72384.325.23min0.951.221.481.612.062.272.733.874.78严长度范 围3-203-254-305-355-406-508

59、-6010-6012-60钢 不锈钢 有色金属钢8.8不锈钢A2-70有色金属CU2. CU3表面处理钢1）不经处理 2）镀锌钝化不锈钢不经处理有色金属1）不经处理 2）镀锌钝化长度系列为 2、2.5. 3、4. 5、6 （2 进位）、20-80 （5进位）。GB/T818的 M5长度范用为6-45 o注：尽可能不采用括号内的规格。10.3.2 紧定螺钉表 10.15 开槽锥端紧定螺钉（摘自 GB/T71-1985）、开槽平端紧定螺钉（摘自 GBAT73-1985）. 开槽凹端紧定螺钉（摘自 GBAT74-1985）.开槽圆柱端紧定螺钉（摘自 GB/T751985）标记示例：螺纹规格 d=M5

60、.公称长度 l=20mm、性能等级为 14H级、表面氧 化的开槽锥端紧定螺钉标记为：摞钉 GBT71 M5X12(mm)螺纹规格 dM1.2M1.6M2M2.5M3M4M5M6M8M10M1290或12bO严十 P-fa：2 / JPr-1GB/T 7590或12(7GB/T 7190或120GB/T 74GB/T 73dfmax二螺纹小径dPmax0.60.81.01.52.02.53.54.05.57.08.5川公称0.20.250.40.60.811.21.62tmax0.520.740.840.951.051.421.6322.533.6min0.40.560.640.720.8121.281.622.42.8dtmax0.120.160.20.250.30.40.51.522.53zmax1.051.251.51.752.252.753.254.35.36.3dzmax0.511.21.422.53568长度范围 1GBAT7126283-103-12