Screw: hexagon socket countersunk head · ISO 10642
ISO 10642 countersunk head screw M4x20
ISO 10642 - Hexagon socket countersunk head screws with reduced loadability
ISO 10642 M4x20
| Thread diameter | 4 mm |
|---|---|
| Thread pitch | 0.7 mm |
| Screw length | 20 mm |
| Thread length | 20 mm |
| Head diameter | 7.96 mm |
| Theoretical head diameter | 8.96 mm |
| Head height | 2.48 mm |
| Hexagon socket size | 2.5 mm |
| Hexagon socket depth | 1.4 mm |
| Radius under head | 0.2 mm |
| Unthreaded shank diameter | 4 mm |