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1、.圆螺母 （摘自 GB 812-88 ）螺纹规格为M101M2003 的圆螺母。标记示例：螺纹规格DM161.5 、 材料为 45 钢、槽或全部热处理后硬度HRC35 45、表面氧化的圆螺母的标记：螺母GB 812M161.5螺纹规格为 M101M2003 的圆螺母：螺纹规格dkd1mntCC1DPmaxminmaxminM101221684.342.620.50.5M121.25251984.342.620.50.5M141.5282084.352.620.50.5M161.5302285.353.12.50.50.5M181.5322485.353.12.50.50.5M201.53527
2、85.353.12.50.50.5M221.53830105.353.12.510.5M241.54234105.353.12.510.5M251.5 1 ）4234105.353.12.510.5M271.54537105.353.12.510.5M301.54840105.353.12.510.5M331.55243106.363.6310.5M35 1.5 1 ）5243106.363.6310.5M361.55546106.363.6310.5;.M391.55849106.363.631.50.5M401.5 1 ）5849106.363.631.50.5M421.56253106.
3、363.631.50.5M451.56859106.363.631.50.5M481.57261128.3684.253.51.50.5M501.5 1 ）7261128.3684.253.51.50.5M521.57867128.3684.253.51.50.5M5527867128.3684.253.51.50.5M5628574128.3684.253.51.51M6029079128.3684.253.51.51M6429584128.3684.253.51.511）9584128.3684.253.51.51M652M682100881210.36104.7541.51M722105
4、931510.36104.7541.511）105931510.36104.7541.51M752M762110981510.36104.7541.51M8021151031510.36104.7541.51M8521201081510.36104.7541.51M9021251121812.43125.7551.51M9521301171812.43125.7551.51M10021351221812.43125.7551.51M10521401271812.43125.7551.51M11021501351814.43146.7561.51M11521551402214.43146.7561.51M12021601452214.43146.7561.51M12521651502214.43146.7561.51M13021701552214.43146.7561.51M14021801652614.43146.7561.51M15022001802616.43167.971.51M16032101902616.43167.9721.5M17032202002616.43167.9721.5M18032302103016.43167.9721.5M19032402203016.43167.9721.5M20032502303016.43167.9721.5;.