Bolt: hexagon head · ISO 4017
ISO 4017 hexagon head screw M4x20
ISO 4017 - Hexagon head screws
ISO 4017 M4x20
| Thread diameter | 4 mm |
|---|---|
| Thread pitch | 0.7 mm |
| Bolt length | 20 mm |
| Thread length | 17.9 mm |
| Width across flats | 7 mm |
| Width across corners | 7.66 mm |
| Head height | 2.8 mm |
| Head bearing face diameter | 6.2 mm |
| Radius under head | 0.2 mm |
| Transition diameter | 4.7 mm |
| Unthreaded shank diameter | 3.545 mm |
| Product grade | A |