普通螺母外形尺寸

六诵煖母Y级 ：OBfT41-2000)六角溥嫖母(GB/T6172.1-2000)I型六角螺母一A 和B级(GB/T6170-2000)标记示例寒纹规格Df 112、性能级别为5级、不经表面处理、C级的六角螺母: 援母 GB/T41-2000M12媒纹规格D=M12、性能级别为8级、不经表面处理、A级的I型六角 媒母： 螺母 GB/T6170-2000M12inin织纹规恪DM3M4M5M6M8M10M12M16M20M24M30M36M42eGBT41&6310.8914.2017.5919.85：6.r32.9539.5550.8560.7972.07GBT61706.017.66&79110514 3817.7720.0326.7532.9539.5550.8560.7972.02GBT6172.16.017.66&；911.0514.3817.7720.0326.7532.9539.5550.8560.7972.02SGBT41810131618243036465565GBT61705.57810131618243036465565GBT6172.15.57810131618243036465565mGBT415.66.1*.99.512.215.918.7亠25.431.534.9GBT61702.43.24.75.26.8&410.814.81821.525.63134GBT6172.11.82.73.245681012151821注，A级目于DW16, B级用于D16