圆螺母国标标准

圆螺母（摘自GB82-88）螺纹规格为MC_M2O0_3的圆螺母。标记示例：螺纹规格D=M6_、材料为45钢、槽或全部热处理后硬度HRC3A

5、表面氧化的圆螺母的标记：螺母GB82M6_DMIOO_Z槽数4DM05_僭数6螺纹规格为M0_M2O0_3的圆螺母:螺纹规格D_PdkdmntCCma_minma_minM0K22M6842M2_25M9842M4_XXXM6_3085M8_322485M20_352785M22_383005M24_4234:05M25_)423405M27_453705M30_484005M33_52063M35_)XXXM36_XXXM39_XXXM40_)XXXM42_XXXM45_XXXM48_726:28M50K)72628M52_786728M55_XXXM56_28574:28M60KXXXM64_295XXXX2865_2848M68_200XXXX8204M72_205XXXX3504M75_2)XXXM76_XXXM80KXXX|85H,200804M90KXXXM95_XXXlO0|32825M05_240XXXX7825M0_250XXXX5846M5_25540:2246M20_260XXXX2246M25_265XXXX2246M30_270XXXX2246M40_280XXXX2646M50_220XXXX2667M60_320XXXX6672M70_322XXXX6672M80_323XXXX0672M90_324XXXX0672M200_325XXXX3067