标注螺栓和螺母尺寸表

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1、标准螺栓、螺母、垫圈螺栓型号厚螺母厚平垫厚度h弹垫厚度s薄螺母厚全长LL（双螺母）度m度mM1.60.311.3M20.30.51.22M2.50.50.651.62.75M30.50.81.83.1M3.50.522.5M40.81.12.24.1M55.611.32.77.910.6M66.41.61.63.29.612.8M87.91.62.1411.615.6M109.522.6514.119.1M1212.22.53.1617.823.8M1413.92.53.672027M1615.934.182331M

2、1816.934.5924.433.4M201935102737M2220.235.51128.739.7M2422.3461232.344.3M2724.746.813.535.549M3026.447.51537.952.9M3329.558.516.54359.5M3631.9591845.963.9M3934.361019.550.369.8螺母六角螺母—C级I型六角螺母—A和B级六角薄螺母（GB/T41-2000）(GB/T6170-2000)(GB/T6172.1-2000)标记示例螺纹规格D=M12、性

3、能级别为5级、不经表面处理、C级的六角螺母：螺母GB/T41-2000M12螺纹规格D=M12、性能级别为8级、不经表面处理、A级的I型六角螺母：螺母GB/T6170-2000M12mm螺纹规格DM3M4M5M6M8M10M12M16M20M24M30M36M42GB/T418.6310.8914.2017.5919.8526.1732.9539.5550.8560.7972.07eGB/T61706.017.668.7911.0514.3817.7720.0326.7532.9539.5550.8560.7972.

4、02GB/T6172.16.017.668.7911.0514.3817.7720.0326.7532.9539.5550.8560.7972.02GB/T41810131618243036465565sGB/T61705.57810131618243036465565GB/T6172.15.57810131618243036465565GB/T415.66.17.99.512.215.918.722.325.431.534.9mGB/T61702.43.24.75.26.88.410.814.81821.525.6

5、3134GB/T6172.11.82.22.73.245681012151821注：A级用于D≤16，B级用于D＞16