DIN 963Countersunk head (90°)Slotted
DIN 963 M4 × 30 Countersunk head (90°)
DIN 963 M4 × 30 is a countersunk head screw with a 30 mm nominal length, on a M4 × 0.7 mm metric thread. Slotted flat head screw for a flush finish. Note that countersunk heads pull the joint sideways, so they should not be used to locate parts.
Diameter4 mm
Length30 mm
Pitch0.7 mm
Head Ø dk7.5 mm
Head height k2.2 mm
HeadCountersunk head (90°)
DriveSlotted
Dimensions
- Standard
- DIN 963
- Type
- Countersunk head screw
- Size
- M4 × 30
- Thread
- M4 × 0.7
- Length L
- 30 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 DIN 963. Estimated weight 3.422 g per piece in steel (3.443 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 lengthsDIN 963 M4
All M4 specificationsInterchangeability
DIN 963 is catalogued with ISO 2009 as its equivalent designation. Dimensions are compared field by field rather than assumed identical.