ISO 2009Countersunk head (90°)Slotted
ISO 2009 M4 × 8 Countersunk head (90°)
ISO 2009 M4 × 8 is a countersunk head screw with a 8 mm nominal length, on a M4 × 0.7 mm metric thread. ISO equivalent of DIN 963, same 90° countersink.
Diameter4 mm
Length8 mm
Pitch0.7 mm
Head Ø dk7.5 mm
Head height k2.2 mm
HeadCountersunk head (90°)
DriveSlotted
Dimensions
- Standard
- ISO 2009
- Type
- Countersunk head screw
- Size
- M4 × 8
- Thread
- M4 × 0.7
- Length L
- 8 mm
- Head diameter dk
- 7.5 mm
- Head height k
- 2.2 mm
- Drive
- Slotted
- Head
- Countersunk head (90°)
Nominal values in millimetres as published in ISO 2009. Estimated weight 1.251 g per piece in steel (1.259 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.
Thread data
Full M4 thread pageDesignationM4 × 0.7
Pitch0.7 mm
Major Ø4 mm
Pitch Ø3.55 mm
Minor Ø ext3.14 mm
Tap drillØ 3.3 mm
Other lengthsISO 2009 M4
All M4 specificationsInterchangeability
ISO 2009 is catalogued with DIN 963 as its equivalent designation. Dimensions are compared field by field rather than assumed identical.