U型螺栓（JB/ZQ4321-1997) /m序号管子外径D0Rd毛坯长LabmC1000件重量/㎏1234567101112131415161718192021222314182225333842454851576076831021081141331401591652198101214182022242527313240434653565969728285112M16M12M10M6981081351431601922022102202252402502310325365390405450470520538680333542444855575960626667757881939699109112122125152383228222226343846525660626674769298104122128134154160180186240221.5122248317118018819620021422325627629057561607127528228501075注：密码123456
1.螺栓的螺纹长度允许差为：+2P(螺距）。
2.螺纹基本尺寸按GB/T196-1981规定粗牙普通螺纹：其公差按GB/T194-1981的6g级制造。3.材料：Q235-A.F。
4.产品等级按GB/T3103.1-1982规定的B级。
