ISO 4762Socket head (cylindrical)Hexagon socket
ISO 4762 M8 × 40 Socket head (cylindrical)
ISO 4762 M8 × 40 is a socket head cap screw with a 40 mm nominal length, on a M8 × 1 mm metric thread. The ISO version of the metric socket head cap screw. Dimensionally very close to DIN 912, with small differences in nominal head height across some sizes.
Diameter8 mm
Length40 mm
Pitch1 mm
Socket size s6 mm
Head Ø dk13 mm
HeadSocket head (cylindrical)
DriveHexagon socket
Dimensions
- Standard
- ISO 4762
- Type
- Socket head cap screw
- Size
- M8 × 40
- Thread
- M8 × 1
- Length L
- 40 mm
- Socket size s
- 6 mm
- Head diameter dk
- 13 mm
- Head height k
- 8 mm
- Thread length b
- 28 mm
- Drive
- Hexagon socket
- Head
- Socket head (cylindrical)
Nominal values in millimetres as published in ISO 4762. Estimated weight 24.119 g per piece in steel (24.273 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 lengthsISO 4762 M8
All M8 specificationsInterchangeability
ISO 4762 is catalogued with DIN 912 as its equivalent designation. Dimensions are compared field by field rather than assumed identical.