螺纹螺距对照表 .pdfVIP

螺纹螺距对照表--第1页

螺距表，螺距

紧固件螺纹直径与螺距对照表

螺纹规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

细牙螺距----1.01.0-1.251.5-1.251.51.51.52.0-1.52.02.02.02.02.03.03.03.03.03.04.04.04.04.0

螺栓、螺钉、螺柱公称长度表

6810121620253035404550(55)60(65)7075808590

(95)100105110115120125130140150160170180190200220240260280300

注：尽量不采用括号内尺寸

螺栓、螺钉、螺柱螺纹的公称长度

螺纹规M3M4M5M6M8M10M12M14M16M18M20M22M24M27M30M33M36M39M42M45M48M52M56M60M64

粗牙螺距1214161822263034384246505460667278849096102----

注：公称长度1螺纹长度b,则：①1≤125b=2d+6②1125—200b=2d+2③1200b=2d+5

公、英制对照表、紧固件常用尺寸规格

规格牙距规格称呼径牙数

粗牙细牙极细牙粗牙细牙韦氏牙

M30.50.354#2.94048

M40.70.56#3.53240

M50.80.58#4.23236

M61.00.7510#4.82432

M71.00.7512#5.52428

M81.251.00.751/46.35202820

M101.51.251.05/167.94182418

M121.751.51.253/89.53162416

M142.01.51.07/1611.11142014

M162.01.51.01/212.7132012

螺纹螺距对照表--第1页

螺纹螺距对照表--第2页

M182.52.01.59/1614.29121812

M202.52.01.55/815.86111811

M222.52.01.53/419.05101610

M243.02.01.57/822.239149

M273.02.01.5125.408128

M303.53.02.0

规格英寸毫米规格英寸毫米

No.00000.02100.53341/40.25006.3500

No.0000.03400.86365/160.31257.9375

No.000.04701.19383/80.37509.5250

No.00.06001.52407/160.437511.1125

No.10.07301.85421/20.500012.7000

No.20.08602.18449/160.562514.2875

No.30.09902.51465/80.625015.8750

No.40.11202.84483/40.750019.0500

No.50.12503.17507/80.87522.2250

No.60.13803.505211.000025.4000

No.70.15103.83541-1/81.125028.5750

No.80.16404.15661-1/41.250031.7500

No.90.17704.49581-3/81.375034.9250

No.100.