Prevailing Torque Type Hexagon Nuts,(With Non-Metallic Insert) Style 1. Property Classes 5, 8 and 10
NF E 25-409 - 1997 (R2002) 1型非金属嵌件六角锁紧螺母--性能等级5、8和10级
See all versions and complete specifications: Prevailing Torque Type Hexagon Nuts（With Non-Metallic Insert）, Style 1 - Property classes 5,8 and 10 — Full Specification Page
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 889.1 |
| NF | NF E 25-409 |
| DIN | DIN EN ISO 7040 |
| ISO | ISO 7040 |
| UNI | UNI 7473 |
| Size | P | k_max | k_min | s_max | s_min | k_nominal |
|---|---|---|---|---|---|---|
| M3 | 0.7 | 7 | 6.78 | 6 | 5.52 | 2.9 |
| M4 | 1 | 10 | 9.78 | 8 | 7.42 | 4.9 |
| M5 | 1.5 | 16 | 15.73 | 11.9 | 11.2 | 8.04 |
| M6 | 2 | 21 | 20.67 | 17 |
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| 15.9 |
| 12.1 |
| M8 | 2.5 | 30 | 29.16 | 22.8 | 20.7 | 16.9 |
| M10 | 3.5 | 46 | 45 | 32.6 | 30.1 | 24.3 |
| M12 | 4 | 55 | 53.8 | 38.9 | 36.4 | 29.4 |
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