cap nut
GB923
Diameter range: M3-M36
| standard | GB national standard |
|---|---|
| head shape | Hexagonal flange |
| Material | 304 |
| Grade | A2-70 |
| Surface | whitewash |
| Thread | Fully threaded |
| (mm) | M4 | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M18 | M20 | M22 | M24 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | 2.5 | 3 |
| e(min) | 7.66 | 8.79 | 11.05 | 14.38 | 17.77 | 20.03 | 23.55 | 26.75 | 29.56 | 32.95 | 37.29 | 39.55 |
| h(max) | 8 | 10 | 12 | 15 | 18 | 22 | 25 | 28 | 32 | 34 | 39 | 42 |
| h(min) | 7.64 | 9.64 | 11.57 | 14.57 | 17.57 | 21.48 | 24.48 | 27.48 | 31 | 33 | 38 | 41 |
| k(max) | 3.2 | 4 | 5 | 6.5 | 8 | 10 | 11 | 13 | 15 | 16 | 18 | 19 |
| k(min) | 2.9 | 3.7 | 4.7 | 6.14 | 7.64 | 9.64 | 10.3 | 12.3 | 14.3 | 14.9 | 16.9 | 17.7 |
| s(max) | 7 | 8 | 10 | 13 | 16 | 18 | 21 | 24 | 27 | 30 | 34 | 36 |
| s(min) | 6.78 | 7.78 | 9.78 | 12.73 | 15.73 | 17.73 | 20.67 | 23.67 | 26.16 | 29.16 | 33 | 35 |
| t(max) | 5.74 | 7.79 | 8.29 | 11.35 | 13.35 | 16.35 | 18.35 | 21.42 | 25.42 | 26.42 | 29.42 | 31.5 |
| t(min) | 5.26 | 7.21 | 7.71 | 10.65 | 12.65 | 15.65 | 17.65 | 20.58 | 24.58 | 25.58 | 28.58 | 30.5 |
| steel | Stainless steel | nonferrous metals | ||
| General technical conditions | GB/T 16938 | |||
| Thread | tolerance | 6H | ||
| standard | GB/T 196、GB/T 197 | |||
| Mechanical properties | Grade | 6 | A1-50 | CU3 or CU6b |
| standard | GB/T 3098.2、GB/T 3098.4 | GB/T 3098.15 | GB/T 3098.10 | |
| tolerance | Product grade | D≤M16：A； | ||
| D＞M16：B | ||||
| standard | GB/T 3103.1 | |||
| surface treatment | oxidation; | Simple handling | Simple handling; | |
| Electroplating technical requirements shall comply with GB/T 5267.1; | Electroplating technical requirements according to GB/T 5267.1 | |||
| Technical requirements for non-electrolytic zinc flake coating shall comply with GB/T 5267.2; | ||||
| Hot dip galvanizing technical requirements according to GB/T 5267.3 | ||||
| If other surface treatment is required, it should be agreed upon by both parties. | ||||
| Acceptance and packaging | GB/T 90.1、GB/T 90.2 | |||
