Bolt: hexagon head · ISO 4017
ISO 4017 hexagon head screw M18x55
ISO 4017 - Hexagon head screws
ISO 4017 M18x55
| Thread diameter | 18 mm |
|---|---|
| Thread pitch | 2.5 mm |
| Bolt length | 55 mm |
| Thread length | 47.5 mm |
| Width across flats | 27 mm |
| Width across corners | 30.14 mm |
| Head height | 11.5 mm |
| Head bearing face diameter | 25.34 mm |
| Radius under head | 0.6 mm |
| Transition diameter | 20.2 mm |
| Unthreaded shank diameter | 16.376 mm |
| Product grade | A |