螺栓与螺母规格表螺栓介绍螺母介绍六角螺母 —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 、性能级别为 5 级、不经表面处理、 C 级的六角螺母： 螺母 GB/T41-2000 M12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/T6170-2000 M12mm螺纹规格 D M3 M4 M5 M6 M8 M10 M12 M16 M20 M24 M30 M36 M42esGB/T418.6310.8914.2017.5919.8526.1732.9539.5550.8560.7972.07GB/T61706.017.668.7911.0514.3817.7720.0326.7532.9539.5550.8560.7972.02GB/T6172.16.017.668.7911.0514.3817.7720.0326.7532.9539.5550.8560.7972.02GB/T41810131618243036465565GB/T61705.57810131618243036465565GB/T6172.15.57810131618243036465565GB/T415.66.17.99.512.215.918.722.325.431.534.9mGB/T61702.43.24.75.26.88.410.814.81821.525.63134GB/T6172.11.82.22.73.245681012151821注： A 级用于 D≤ 16，B 级用于 D＞ 16六角螺母规格重量表SH每 1000 个钢d公称尺寸允差公称尺寸允差D螺母的近似重(公斤 )粗制半精制610-0.365±0.48±0.3811.52.317814-0.43616.25.67410178±0.58±0.4519.610.9912191021.916.32(14)22-0.521125.425.2816241327.734.12(18)2714±0.70±0.5531.244.1920301634.661.91(22)321836.975.942436-1.001941.6111.90(27)4122±1.00±0.6547.3168.0030462453.1234.2036552863.5370.904265-1.2032±1.50±0.8075.5598.6048753886.5957.30垫圈规格重量表斜垫圈规格重量表公称GB852-66 工字GB853-66 糟钢公称GB852-66GB853-66钢用方斜垫用方斜垫直径直径dBHdBH(螺纹千个重( 螺纹千个重直径 )H1千个重量H1量(公直径 )H1量 (公H1千个重量(公斤 )斤)斤)(公斤 )671624.753.6420224039.7607.032891825.063.85(22)244039.7657.03710112225.7104.26242650311.31008.06212132826.7154.814(27)2950311.31048.09016173527.7255.419303260313.01809.0130(18)204029.7667.048363870314.725010200。