紧固件螺纹直径与螺距对照表6

1、紧固件螺纹直径与螺距对照表螺纹规格M3M4M5M6M8M10M12M14M16M18M2(M22M2M2-M3(M3：M3M3(M4MI4!M4iM5：M5(6M6M64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681012162025303540455055)60(65070758085

2、90(95)1001051101151：2012513014()15016017018019020)022024()260280300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格M3M4M5M6M8M10M12M”M16M1M20M2：M2M2-M3(M3；M3(M3MI4：M4!MI41MI5：M5M6M64粗1214，6182：!26301348424650546i06672：78849096102一一一一牙注：公称长度1螺纹长度b,则：1W125b=2d+6112计200b=2d+21200b=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牙数粗牙细牙极细牙

3、粗牙细牙韦氏牙M30.50.354#2.94048M40.70.56#3.53240M50.80.58#4.23236M61.00.7510#4.82432M71.00.7512#5.52428M81.251.00.751/46.35202820M101.51.251.05/167.94182418M121.751.51.253/89.53162416M142.01.51.07/1611.1142014M162.01.51.01/212.7132012M182.52.01.59/1614.2121812M202.52.01.55/815.8111811M222.52.01.53/419.010

4、1610M243.0:2.01.517/822.2:9149:M273.02.01.51125.48128M303.53.02.0规格英寸毫米规格英寸毫米No.00000.02100.53341/40.25006.3500No.0000.03400.86365/160.31257.9375No.000.04701.19383/80.37509.5250No.00.06001.52407/160.437511.1125No.10.07301.85421/20.500012.7000No.20.08602.18449/160.562514.2875No.30.09902.51465/80.6250

5、15.8750No.40.11202.84483/40.750019.0500No.50.12503.17507/80.87522.2250No.60.13803.505211.000025.4000No.70.15103.83541-1/81.125028.5750No.80.16404.15661-1/41.250031.7500No.90.17704.49581-3/81.375034.9250No.100.19004.82601-1/21.500038.1000No.120.21605.48641-5/81.625041.2750No.140.24206.14681-3/41.7500

6、44.4500No.160.26806.80721-7/81.875047.6250No.180.29407.467622.000050.8000No.200.32008.1280No.240.37209.4488公称直径与螺距系列表GB193-63公称直他（毫涓螺距1（毫刑第一第二第三粗牙细牙系列系列系列(28)21.511303.521.510.75(32)21.5333.521.510.75公称直径d（毫为螺距1（毫涓第一第二第三系歹U系歹U11.21.4系歹U1.1粗牙0.250.250.250.30.20.20.20.235(1.5)364321.51(38)1.5394321.51

7、40(3)(2)1.5424.5321.51454.5(4)321.51485(4)321.5150(3)1.5525(4)321.5155(4)(3)21.5565.54321.5158(4)(3)21.560(5.5)4321.5162(4)(3)21.56464321.5165(3)1.5686431.51注：1、选择螺纹的公称直径时，优先选用第一系列，其次第二系列，第三系列尽可能不用。2、括号内的公称直径和螺距以及粗线右边螺距，尽可能不采用。3、M141.25螺纹仅用于火花塞;M35X1.5螺纹仅用于滚珠抽承紧锁1.60.350.21.80.350.220.40.252.20.450.

8、252.50.450.3530.50.353.5(0.6)0.3540.70.54.5(0.75)0.550.80.5(5.5)0.5610.750.5710.750.581.2510.750.59(1.25)10.750.5101.51.2510.750.511(1.5)10.750.5121.751.51.2510.750.51421.51.2510.750.5151.5(1)1621.510.750.5171.5(1)182.52210.750.5202.52210.750.5螺母。4、国家标准中还列有0.250.8和70600毫米的公称直径系列，因一般应用不多故从略。24222.533

9、211.50.7510.50.752725(26)31.51.51.5(1)10.75常用金属材料重量计算公式（每千只重量）园钢重量（公斤）=0.00617X直径x直径x长度方钢重量（公斤）=0.00785X边宽X边宽X长度六角钢重量（公斤）=0.0068X对边宽X对边宽X长度八角钢重量（公斤）=0.0065X对边宽x对边宽x长度螺纹钢重量（公斤）=0.00617X计算直径x计算直径x长度角钢重量（公斤）=0.00785X（边宽+边宽-边厚）X边厚X长度扁钢重量（公斤）=0.00785X厚度X边宽X长度钢管重量（公斤）=0.02466X壁厚X（外径-壁厚）X长度钢板重量（公斤）=7.85X厚度X面积园紫铜棒重量（公斤）=0.00698x直径X直径X长度园黄铜棒重量（公斤）=0.00668x直径X直径X长度园铝棒重量（公斤）=0.0022x直径X直径X长度方紫铜棒重量（公斤）=0.0089x边宽X边宽x长度方黄铜棒重量（公斤）=0.0085X边宽X边宽x长度方铝棒重量（公斤）=0.0028x边宽X边宽X长度六角紫铜棒重量（公斤）=0.0077X对边宽X对边宽X长度六角黄铜棒重量（公斤）=0.00736x边宽X对边宽X长度六角铝棒重量（公斤）=0.00242x对边宽X对边宽X长度紫铜板重量（公斤）=0.0089x厚x宽x长度黄铜板重量（公斤）=0