美制螺纹规格表,美制螺纹unf标准对照表

美制螺纹规格表,美制螺纹unf标准对照表

美国常用螺钉规格表.docx,常用机械螺钉规格表类别国标粗牙螺纹60°国标细牙螺纹60°规格螺距mm最大最小成品外径±0.02mmM1.40.031.381.341.1美制圆锥管螺纹锥度NPT(1°47')公称直径外螺纹小端尺寸母螺纹小端尺寸螺纹工作高度1/8-27NPT9.988.760.7531/4-18NPT13.2511.311.1293/8-18NPT16.6714.791.1291 /

●﹏● 美式螺纹(UNC,UNF,UNEF,UN,UNS)相关规格：NO:0-80UNF,NO:1-64UNC,NO:2-56UNC,NO:3-48UNC,NO:4-40UNC,NO:4-48UNF, NO:5-40UNC,NO:6-32UNC,NO:6-40UNF,NO:8-32UNC,Americanthreadstandardcollection.pdf,AmericanthreadstandardcollectionExternalthreadExternalInternalthreadNominalSmalldiameterUNRgradeSine,ThreadsperLeveltoleranceMajorDiameterPitchDiameterMin

●﹏● 杯头螺丝3/8"1/2"5/8"3/4"1-1/4"1-1/2"3/8"1/2"规格美式UNC1/81/4"美式UNC5/321/4"5/ 8"3/4"1-1/4"1-1/2"1-3/4"3/8"1/2"5/8"3/4"USUNC5/32美国UNC3/161/4"1 -1美制螺纹规格mm公称直径0.073(1)1.8540.086(#2)2.1840.099(3#))2.5150.112(#4)2.8450.125(#5)3.1750.138(#6)3.505螺纹规格1-64UNC1-72UNF2- 56UNC2-64UNF3-48UNC3

1.美式粗螺纹2.英式管螺纹螺距P=1英寸/牙数，中经线E=D-0.75HH=0.866025Ph=0.635Hk=D-2h=D-1.25H3.惠系螺纹4. 手镯螺纹攻丝5.山数螺距换算表6.公制标准螺纹7.公制细牙81美制螺纹尺寸表单位:mm外螺纹内螺纹公称螺纹牙螺钉公差螺纹外径螺纹中径公差螺纹小直径公差螺纹小直径螺纹中径螺纹外径钻孔直径规格编号高度距离代码MaxMinMaxMinMaxCodeMinM