螺紋螺距對(duì)照表

1、螺距表，螺距螺距表，螺距緊固件螺紋直徑與螺距對(duì)照表螺紋規(guī)M3M4M5M6M8M10M12M14M16M18M20M22M24粗牙螺距0.50.70.81.01.251.51.752.02.02.52.52.53.0細(xì)牙螺距1.01.01.251.251.51.51.51.51.52.02.02.0螺紋規(guī)M27M30M33M36M39M42M45M48M52M56M60M64粗牙螺距3.03.53.54.04.04.54.55.05.05

2、.55.56.0細(xì)牙螺距2.02.02.03.03.03.03.03.04.04.04.04.0螺紋規(guī)M3M4M5M6M8M10M12M14M16M18M20M22M24M27M30M33M36M39M42M45M48M52M56M60M64粗牙螺距0.50.70.81.01.251.51.752.02.02.52.52.53.03.03.53.54.04.04.54.55.05.05.55.56.0細(xì)牙螺距1.01.01.251.51

3、.251.51.51.52.01.52.02.02.02.02.03.03.03.03.03.04.04.04.04.0螺栓、螺釘、螺柱公稱(chēng)長(zhǎng)度表6810121620253035404550(55)60(65)7075808590(95)100105110115120125130140150160170180190200220240260280300注：盡量不采用括號(hào)內(nèi)尺寸螺栓、螺釘、螺柱螺紋的公稱(chēng)長(zhǎng)度螺紋規(guī)M3M4M5M6M8M10M

4、12M14M16M18M20M22M24M27M30M33M36M39M42M45M48M52M56M60M64粗牙螺距1214161822263034384246505460667278849096102注：公稱(chēng)長(zhǎng)度1螺紋長(zhǎng)度b則：①1≤125b=2d6②1125—200b=2d2③1200b=2d5公、英制對(duì)照表、緊固件常用尺寸規(guī)格規(guī)格牙距規(guī)格稱(chēng)呼徑牙數(shù)粗牙細(xì)牙極細(xì)牙粗牙細(xì)牙韋氏牙M30.50.354#2.94048M40.70.5

5、6#3.53240M50.80.58#4.23236M61.00.7510#4.82432M71.00.7512#5.52428M81.251.00.75146.35202820M101.51.251.05167.94182418M121.751.51.25389.53162416M142.01.51.071611.11142014M162.01.51.01212.7132012M182.52.01.591614.29121812M20

6、2.52.01.55815.86111811M222.52.01.53419.05101610M243.02.01.57822.23914965(4)(3)1.511(1.5)10.750.5686431.51121.751.51.2510.750.5注：1、選擇螺紋的公稱(chēng)直徑時(shí)，優(yōu)先選用第一系列，其次第二系列，第三系列盡可能不用。2、括號(hào)內(nèi)的公稱(chēng)直徑和螺距以及粗線(xiàn)右邊螺距，盡可能不采用。3、M141.25螺紋僅用于火花塞；M351.5

7、螺紋僅用于滾珠抽承緊鎖螺母。4、國(guó)家標(biāo)準(zhǔn)中還列有0.25~0.8和70~600毫米的公稱(chēng)直徑系列，因一般應(yīng)用不多故從略。1421.51.2510.750.5151.5(1)1621.510.750.5171.5(1)182.52210.750.5202.52210.750.5222.5310.750.524321.510.75251.5(1)(26)1.52731.510.75螺絲的圖紙上只知道是螺絲的圖紙上只知道是M6，那螺距什么的怎

8、么知道，那螺距什么的怎么知道公稱(chēng)直徑螺距(粗牙)平面切削牙朱咀擠壓牙攻牙后內(nèi)孔M1.00.250.750.020.880.020.78M1.10.250.850.020.980.020.88M1.20.250.950.021.080.020.98M1.40.31.10.021.250.021.14M1.60.351.250.021.430.021.32M1.70.351.350.031.530.031.47M1.80.351.450.0

9、31.630.031.52M2.00.41.60.031.80.031.67M2.20.451.750.031.980.031.83M2.30.41.900.032.100.031.97M2.50.452.100.032.280.032.13M2.60.452.20.032.380.032.23M30.52.50.042.750.042.59M3.50.62.90.043.20.043.01M40.73.30.053.650.053.4

10、2M4.50.753.80.053.92M50.84.20.054.60.054.33M6150.055.50.055.15M7160.056.50.056.15M81.256.80.057.380.057.00公稱(chēng)直徑螺距(細(xì)牙)平面切削牙朱咀擠壓牙攻牙后內(nèi)孔M1.00.20.800.020.900.02M1.10.20.900.021.000.02M1.20.21.000.021.100.02M1.40.21.200.021.300