CM Hexagon Socket Flat Head Machine Screws
National standard
Diameter range: M2-M12 Length range: 3mm-150mm
| standard | GB national standard |
|---|---|
| Groove | Hexagon socket |
| head shape | Flat round head |
| Thread | Fully threaded |
| Specifications (d) | Hexagonal opposite sides(s) | Head thickness (k) | Head diameter (dk) |
|---|---|---|---|
| M2 | 1.3 | 0.8 | 4 |
| M2.5 | 1.5 | 0.9 | 5 |
| M3 | 2 | 1 | 6 |
| M4 | 2.5 | 1.3 | 8.1 |
| M5 | 3 | 1.4 | 9.5 |
| M6 | 4 | 1.5 | 12 |
| M8 | 5 | 2.5 | 16 |
