Hexagon slotted thin nuts
GB6181
Diameter range: M6-M42
| standard | GB national standard |
|---|---|
| head shape | Hexagon (single chamfer) |
| Thread | Fully threaded |
| (mm) | M5 | M6 | M8 | M10 | M12 | M14 | M16 |
|---|---|---|---|---|---|---|---|
| P | 0.5|0.8 | 0.75|1 | 1|1.25 | 1|1.25|1.5 | 1|1.25|1.5|1.75 | 1|1.5|2 | 1|1.5|2 |
| e(min) | 8.79 | 11.05 | 14.38 | 17.77 | 20.03 | 23.36 | 26.75 |
| k(max) | 5.1 | 5.7 | 7.5 | 9.3 | 12 | 14.1 | 16.4 |
| k(min) | 4.8 | 5.4 | 7.14 | 8.94 | 11.57 | 13.4 | 15.7 |
| n(max) | 2 | 2.6 | 3.1 | 3.4 | 4.25 | 4.25 | 5.7 |
| n(min) | 1.4 | 2 | 2.5 | 2.8 | 3.5 | 3.5 | 4.5 |
| s(max) | 8 | 10 | 13 | 16 | 18 | 21 | 24 |
| s(min) | 7.78 | 9.78 | 12.73 | 15.73 | 17.73 | 20.67 | 23.67 |
| w(max) | 3.1 | 3.5 | 4.5 | 5.3 | 7 | 9.1 | 10.4 |
| w(min) | 2.8 | 3.2 | 4.2 | 5 | 6.64 | 8.74 | 9.97 |
| (mm) | M20 | M24 | M30 | M36 |
|---|---|---|---|---|
| P | 1.5|2|2.5 | 1.5|2|3 | 1.5|2|3.5 | 1.5|2|3|4 |
| e(min) | 32.95 | 39.55 | 50.85 | 60.79 |
| k(max) | 20.3 | 23.9 | 28.6 | 34.7 |
| k(min) | 19 | 22.6 | 27.3 | 33.1 |
| n(max) | 5.7 | 6.7 | 8.5 | 8.5 |
| n(min) | 4.5 | 5.5 | 7 | 7 |
| s(max) | 30 | 36 | 46 | 55 |
| s(min) | 29.16 | 35 | 45 | 53.8 |
| w(max) | 14.3 | 15.9 | 19.6 | 23.7 |
| w(min) | 13.87 | 15.41 | 19.08 | 23.18 |
| steel | Stainless steel | ||
| Thread | tolerance | 6H | |
| standard | GB/T 196 - 1981、GB/T 197 - 1981 | ||
| Mechanical properties | Grade | Level 04, Level 05 | A2-50 |
| standard | GB/T 3098.2 - 1982 | GB/T 3098.6 - 1986 | |
| tolerance | Product grade | A is used for D≤16; B is used for D＞16 | |
| standard | GB/T 3103.1 - 1982 | ||
| surface treatment | ① Without treatment; | without treatment | |
| ②Galvanized passivation GB/T 5267 - 1985 | |||
| surface defects | GB/T 5779.2 - 1986 | ||
| Acceptance and packaging | GB/T 90 - 1985 | ||
