Screw: hexagon socket countersunk head · ISO 10642
ISO 10642 countersunk head screw M20x40
ISO 10642 - Hexagon socket countersunk head screws with reduced loadability
ISO 10642 M20x40
| Thread diameter | 20 mm |
|---|---|
| Thread pitch | 2.5 mm |
| Screw length | 40 mm |
| Thread length | 40 mm |
| Head diameter | 36.75 mm |
| Theoretical head diameter | 40.32 mm |
| Head height | 10.16 mm |
| Hexagon socket size | 12 mm |
| Hexagon socket depth | 5.6 mm |
| Radius under head | 0.8 mm |
| Unthreaded shank diameter | 20 mm |