DIN7984 低圆柱头内六角螺钉
机械性能满足ISO 898-1:2013
等级：12.9 、 10.9 、 8.8
头标：NE 12.9 / 10.9 / 8.8
原材料：35K. ML40Cr. 35CrMo. 42CrMo .SCM435
Thread,d | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M14 | M16 |
| P1) | 0.50 | 0.70 | 0.80 | 1.00 | 1.25 | 1.50 | 1.75 | 2.00 | 2.00 |
| b TL2) | 12 | 14 | 16 | 18 | 22 | 26 | 30 | 34 | 38 |
| b TL3) | - | - | - | - | 28 | 32 | 36 | 40 | 44 |
| b TL4) | - | - | - | - | - | - | - | - | 57 |
| dk max. | 5.5 | 7 | 8.5 | 10 | 13 | 16 | 18 | 21 | 24 |
| dk min. | 5.32 | 6.78 | 8.28 | 9.78 | 12.73 | 15.73 | 17.73 | 20.67 | 23.67 |
| da max. | 3.6 | 4.7 | 5.7 | 6.8 | 9.2 | 11.2 | 13.7 | 15.7 | 17.7 |
| ds max. | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 |
| ds min. | 2.86 | 3.82 | 4.82 | 5.82 | 7.78 | 9.78 | 11.73 | 13.73 | 15.73 |
| dw min. | 4.84 | 6.2 | 7.7 | 9.2 | 12.03 | 15.03 | 17.03 | 19.83 | 22.83 |
| e5) | 2.3 | 2.87 | 3.44 | 4.58 | 5.72 | 8.01 | 9.15 | 11.43 | 13.72 |
| f max. | 0.51 | 0.6 | 0.6 | 0.68 | 1.02 | 1.02 | 1.87 | 1.87 | 1.87 |
| k max. | 2 | 2.8 | 3.5 | 4 | 5 | 6 | 7 | 8 | 9 |
| k min. | 1.86 | 2.66 | 3.32 | 3.82 | 4.82 | 5.82 | 6.78 | 7.78 | 8.78 |
| r min. | 0.1 | 0.2 | 0.2 | 0.25 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 |
| s nom. | 2 | 2.5 | 3 | 4 | 5 | 7 | 8 | 10 | 12 |
| s min. | 2.02 | 2.52 | 3.02 | 4.02 | 5.02 | 7.025 | 8.025 | 10.025 | 12.032 |
| s max. | 2.1 | 2.6 | 3.1 | 4.12 | 5.14 | 7.175 | 8.175 | 10.175 | 12.212 |
| t nom. | 1.5 | 2.3 | 2.7 | 3 | 3.8 | 4.5 | 5 | 5.3 | 5.5 |
| t min. | 1.38 | 2.18 | 2.58 | 2.88 | 3.65 | 4.35 | 4.85 | 5.15 | 5.35 |
| t max. | 1.62 | 2.42 | 2.82 | 3.12 | 3.95 | 4.65 | 5.15 | 5.45 | 5.65 |
| v max. | 0.3 | 0.4 | 0.5 | 0.6 | 0.8 | 1 | 1.2 | 1.4 | 1.6
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