内六角圆柱头螺钉
产品标准
GB/T70 1；DIN912； ISO4762
产品级别
不锈钢 A2-70 A4-70 A4-80；碳钢 8.8级，10 9级，12 9级
表面处理
钝化、发黑、镀锌、镀达克罗
产品规格
| 螺纹规格 | M1.6 | M2 | M2.5 | M3 | M4 | M5 | M6 | M8 | M10 | M12 | |
| p | 0.35 | 0.4 | 0.45 | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | |
| b | 15 | 16 | 17 | 18 | 20 | 22 | 24 | 28 | 32 | 36 | |
| dk | 3 | 3.8 | 4.5 | 5.5 | 7 | 8.5 | 10 | 13 | 16 | 18 | |
| k | max | 1.6 | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | 12 |
| min | 1.46 | 1.86 | 2.36 | 2.86 | 3.82 | 4.82 | 5.7 | 7.64 | 9.64 | 11.57 | |
| s | 1.5 | 1.5 | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | |
| t | min | 0.7 | 1 | 1.1 | 1.3 | 2 | 2.5 | 3 | 4 | 5 | 6 |
| l | 3mm~350mm | ||||||||||
| 螺纹规格 | M14 | M16 | M20 | M24 | M30 | M36 | M42 | M48 | M56 | M64 | |
| p | 2 | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | |
| b | 40 | 44 | 52 | 60 | 72 | 84 | 96 | 106 | 124 | 140 | |
| dk | 21 | 24 | 30 | 36 | 45 | 54 | 63 | 75 | 84 | 96 | |
| k | max | 14 | 16 | 20 | 24 | 30 | 36 | 42 | 48 | 56 | 64 |
| min | 13.57 | 15.57 | 19.48 | 23.48 | 29.48 | 35.8 | 41.38 | 47.38 | 55.26 | 63.26 | |
| s | 12 | 14 | 17 | 19 | 22 | 27 | 32 | 36 | 41 | 46 | |
| t | min | 7 | 8 | 10 | 12 | 15.5 | 19 | 24 | 28 | 34 | 38 |
| l | 3mm~350mm | ||||||||||
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