DIN 963Countersunk head (90°)Slotted
DIN 963 M10 × 20 Countersunk head (90°)
DIN 963 M10 × 20 is a countersunk head screw with a 20 mm nominal length, on a M10 × 1.25 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.
Diameter10 mm
Length20 mm
Pitch1.25 mm
Head Ø dk18 mm
Head height k5 mm
HeadCountersunk head (90°)
DriveSlotted
Dimensions
- Standard
- DIN 963
- Type
- Countersunk head screw
- Size
- M10 × 20
- Thread
- M10 × 1.25
- Length L
- 20 mm
- Head diameter dk
- 18 mm
- Head height k
- 5 mm
- Drive
- Slotted
- Head
- Countersunk head (90°)
Nominal values in millimetres as published in DIN 963. Estimated weight 18.537 g per piece in steel (18.655 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.
Thread data
Full M10 thread pageDesignationM10 × 1.25 fine
Pitch1.25 mm
Major Ø10 mm
Pitch Ø9.19 mm
Minor Ø ext8.47 mm
Tap drillØ 8.75 mm
Other lengthsDIN 963 M10
All M10 specificationsInterchangeability
DIN 963 is catalogued with ISO 2009 as its equivalent designation. Dimensions are compared field by field rather than assumed identical.