Cross countersunk machine screw (Guangdong standard)
YB819
Diameter range: M1-M12 Length range: 2mm-200mm
| standard | Cantonese standard |
|---|---|
| head shape | round head |
| Groove | Cross recess |
| Thread | Fully threaded |
| (mm) | M1.6 | M2 | M2.5 | M3 | M3.5 | M4 | M5 | M6 | M8 | M10 |
|---|---|---|---|---|---|---|---|---|---|---|
| P | 0.35 | 0.4 | 0.45 | 0.5 | 0.6 | 0.7 | 0.8 | 1 | 1.25 | 1.5 |
| dk(max) | 3 | 3.7 | 4.6 | 5.5 | 6.4 | 7.3 | 9 | 10.9 | 14.4 | 18 |
| dk(min) | 2.7 | 3.4 | 4.3 | 5.2 | 6 | 7 | 8.7 | 10.4 | 13.9 | 17.5 |
| k(max) | 1 | 1.2 | 1.5 | 1.65 | 2.35 | 2.7 | 2.7 | 3.3 | 4.65 | 5 |
| No. | 0 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 4 |
| M | 1.6 | 2.2 | 2.6 | 3.5 | 4 | 4.4 | 5 | 6.6 | 8.3 | 9.6 |
| t(max) | 0.9 | 1.01 | 1.42 | 1.43 | 1.93 | 2.33 | 2.93 | 3.26 | 4.96 | 5.3 |
| t(min) | 0.6 | 0.65 | 1.05 | 0.91 | 1.4 | 1.79 | 2.38 | 2.7 | 4.36 | 4.7 |
