DIN 84Cheese headSlotted
DIN 84 M10 × 40 Cheese head
DIN 84 M10 × 40 is a cheese head screw with a 40 mm nominal length, on a M10 × 1.25 mm metric thread. A cylindrical head with a straight slot drive. Still common in instrument and electrical work, though pozidriv and hexalobular drives have largely replaced it in volume assembly.
Diameter10 mm
Length40 mm
Pitch1.25 mm
Head Ø dk16 mm
Head height k6 mm
HeadCheese head
DriveSlotted
Dimensions
- Standard
- DIN 84
- Type
- Cheese head screw
- Size
- M10 × 40
- Thread
- M10 × 1.25
- Length L
- 40 mm
- Head diameter dk
- 16 mm
- Head height k
- 6 mm
- Drive
- Slotted
- Head
- Cheese head
Nominal values in millimetres as published in DIN 84. Estimated weight 34.132 g per piece in steel (34.349 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 84 M10
All M10 specificationsInterchangeability
DIN 84 is catalogued with ISO 1207 as its equivalent designation. Dimensions are compared field by field rather than assumed identical.