GB/T90-1985 紧固件验收检查,标志与包装(EQV ISO3269:1984)
GB/T196-1981 普通螺纹,基本尺寸(直径1~600mm)
GB/T197-1981 普通螺纹,公差与配合(直径1~355mm)
GB/T1237-2000 紧固件标记方法(EQV ISO 91:1986)
GB/T3098.2-2000 紧固件机械性能 螺母,粗牙螺纹(IDT ISO 8.2:1992)
GB/T3103.1-1982(1988年确认) 紧固件公差 螺栓,螺钉和螺母(EQV ISO4759-1:1978)
GB/T5267-1985 螺纹紧固件电镀层
GB/T5276-1985 紧固件 螺栓,螺钉,螺柱及螺母 尺寸代号和标注(EQC ISO 225:1983)
GB/T5779.2-2000 紧固件表面缺陷 螺母(IDT ISO 6157.2:1995)
GB/T6170-2000 L型六角螺母(EQV ISO 4032:1999)
GB/T6938-1997 紧固件 螺栓,螺钉,螺柱和螺母 通用技术条件(IDT ISO92:1996)
ISO10683:2000 紧固件 非电解锌粉覆盖层
六角螺母规格尺寸
六角螺母规格表
| d | S | H | D | 每1000个钢螺母的近似重(公斤) | |||
| 公称尺寸 | 允差 | 公称尺寸 | 允差 | ||||
| 粗制 | 半精制 | ||||||
| 6 | 10 | -0.36 | 5 | ±0.48 | ±0.38 | 11.5 | 2.317 |
| 8 | 14 | -0.43 | 6 | 16.2 | 5.674 | ||
| 10 | 17 | -0.52 | 8 | ±0.58 | ±0.45 | 19.6 | 10.99 |
| 12 | 19 | 10 | 21.9 | 16.32 | |||
| (14) | 22 | 11 | ±0.70 | ±0.55 | 25.4 | 25.28 | |
| 16 | 24 | 13 | 27.7 | 34.12 | |||
| (18) | 27 | 14 | 31.2 | 44.19 | |||
| 20 | 30 | 16 | 34.6 | 61.91 | |||
| (22) | 32 | -1.00 | 18 | 36.9 | 75.94 | ||
| 24 | 36 | 19 | ±1.00 | ±0.65 | 41.6 | 111.90 | |
| (27) | 41 | 22 | 47.3 | 168.00 | |||
| 30 | 46 | 24 | 53.1 | 234.20 | |||
| 36 | 55 | -1.20 | 28 | 63.5 | 370.90 | ||
| 42 | 65 | 32 | ±1.50 | ±0.80 | 75.5 | 598.60 | |
| 48 | 75 | 38 | 86.5 | 957.30 |
| 序号 | 螺母规格 | 扳手尺寸 | 序号 | 螺栓规格 | 扳手尺寸 |
| 1 | M10 | 17.57～18 | 13 | M39×3 | 63.1～65 |
| 2 | M12 | 20.16～21 | 14 | M42×3 | 63.1～65 |
| 3 | M14 | 23.16～24 | 15 | M45×3 | 68.1～70 |
| 4 | M16 | 26.16～27 | 16 | M48×3 | 73.1～75 |
| 5 | M18 | 29.16～30 | 17 | M52×3 | 78.1～80 |
| 6 | M20 | 33～34 | 18 | M56×3 | 82.8～85 |
| 7 | M22 | 35～36 | 19 | M×3 | 92.5～95 |
| 8 | M24 | 40～41 | 20 | M70×3 | 100～102 |
| 9 | M27 | 45～46 | 21 | M72×3 | 102.8～105 |
| 10 | M30 | 49～50 | 22 | M76×3 | 107.8～110 |
| 11 | M33 | 53.8～55 | 23 | M82×3 | 115.6～118 |
| 12 | M36×3 | 58.8～60 | 24 | M90×3 | 127.5～130 |
| 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 | 27 |
| 5.6 | 6.4 | 7.9 | 9.5 | 12.2 | 13.9 | 15.9 | 16.9 | 19 | 20.2 | 22.3 | 24.7 |
| 28 | 30 | 33 | 36 | 42 | 48 | 56 | 45 | 52 | 60 | 39 | |
| 26.4 | 29.5 | 31.9 | 34.9 | 38.9 | 45.9 | 52.4 | 36.9 | 42.9 | 48.9 | 34.3 |
