GB/T970.1-2008表1粗牙普通螺纹用圆板牙单位为毫米公称直径螺距代号DDEEbdPMIM1.11.10.25M1.21.2M1.41.40.3M1.61.6162.530.35M1.81.80.50.2M220.4M2.22.230.45M2.52.5M330.5M3.53.50.6M440.7204M4.54.50.75M550.870.6M6610.5M77M882590.81.25M99M10101.530111.0M1111M12121.753814M1414M16161.2M18184518M20202.5M2222551.5M2422243M2727M30303.56525M33331.8M3636M39397530424224.5M4545M4848902552525656365.5105M60602.510M64646120M6868根据用户需要，M16圆板牙的厚度E尺寸可按14mm制造。2
