DIN 963Countersunk head (90°)Slotted
DIN 963 M8 × 25 Countersunk head (90°)
DIN 963 M8 × 25 is a countersunk head screw with a 25 mm nominal length, on a M8 × 1 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.
Diameter8 mm
Length25 mm
Pitch1 mm
Head Ø dk14.5 mm
Head height k4 mm
HeadCountersunk head (90°)
DriveSlotted
Dimensions
- Standard
- DIN 963
- Type
- Countersunk head screw
- Size
- M8 × 25
- Thread
- M8 × 1
- Length L
- 25 mm
- Head diameter dk
- 14.5 mm
- Head height k
- 4 mm
- Drive
- Slotted
- Head
- Countersunk head (90°)
Nominal values in millimetres as published in DIN 963. Estimated weight 13.073 g per piece in steel (13.156 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.
Thread data
Full M8 thread pageDesignationM8 × 1 fine
Pitch1 mm
Major Ø8 mm
Pitch Ø7.35 mm
Minor Ø ext6.77 mm
Tap drillØ 7 mm
Other lengthsDIN 963 M8
All M8 specificationsInterchangeability
DIN 963 is catalogued with ISO 2009 as its equivalent designation. Dimensions are compared field by field rather than assumed identical.