Slotted large cylindrical head screws
GB833
Diameter range: M2-M6 Length range: 3mm-40mm
| Material | 304 |
|---|---|
| standard | GB national standard |
| head shape | cylinder |
| Groove | Slotted, slotted |
| Grade | A2-70 |
| Surface | whitewash |
| Thread | Partial / Full Thread |
| (mm) | M1.6 | M2 | M2.5 | M3 | M4 | M5 | M6 | M8 | M10 |
|---|---|---|---|---|---|---|---|---|---|
| P | 0.2|0.35 | 0.25|0.4 | 0.35|0.45 | 0.35|0.5 | 0.5|0.7 | 0.5|0.8 | 0.75|1 | 1|1.25 | 1|1.25|1.5 |
| dk(max) | 6 | 7 | 9 | 11 | 14 | 17 | 20 | 25 | 30 |
| dk(min) | 5.82 | 6.78 | 8.78 | 10.73 | 13.73 | 16.73 | 19.67 | 24.67 | 29.67 |
| da(max) | 2.1 | 2.6 | 3.1 | 3.6 | 4.7 | 5.7 | 6.8 | 9.2 | 11.2 |
| k(max) | 1.2 | 1.4 | 1.8 | 2 | 2.8 | 3.5 | 4 | 5 | 6 |
| k(min) | 1.06 | 1.26 | 1.66 | 1.86 | 2.66 | 3.32 | 3.7 | 4.7 | 5.7 |
| n(min) | 0.46 | 0.56 | 0.66 | 0.86 | 1.26 | 1.26 | 1.66 | 2.06 | 2.56 |
| n(max) | 0.6 | 0.7 | 0.8 | 1 | 1.51 | 1.51 | 1.91 | 2.31 | 2.81 |
| r(min) | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.25 | 0.4 | 0.4 |
| t(min) | 0.6 | 0.7 | 0.9 | 1 | 1.4 | 1.7 | 2 | 2.5 | 3 |
| steel | Stainless steel | ||
| Thread | tolerance | 6g | |
| standard | GB/T 196、GB/T 197 | ||
| Mechanical properties | Grade | 4.8 | C4-50、A1-50 |
| standard | GB/T 3098.1 | GB/T 3098.6 | |
| tolerance | Product grade | Except for the provisions in Chapter 3, the rest are classified as Class A | |
| standard | GB/T 3103.1 | ||
| surface treatment | ① No treatment; | without treatment | |
| ② Galvanized passivation GB/T 5267 | |||
| Acceptance and packaging | GB/T 90 | ||
