ISO 7380Button head (low dome)Hexagon socket
ISO 7380 M6 × 40 Button head (low dome)
ISO 7380 M6 × 40 is a button head socket screw with a 40 mm nominal length, on a M6 × 1 mm metric thread. A low dome head with internal hex drive. Chosen when you want a finished look without machining a countersink.
Diameter6 mm
Length40 mm
Pitch1 mm
Socket size s4 mm
Head Ø dk10.5 mm
HeadButton head (low dome)
DriveHexagon socket
Dimensions
- Standard
- ISO 7380
- Type
- Button head socket screw
- Size
- M6 × 40
- Thread
- M6 × 1
- Length L
- 40 mm
- Socket size s
- 4 mm
- Head diameter dk
- 10.5 mm
- Head height k
- 3.3 mm
- Drive
- Hexagon socket
- Head
- Button head (low dome)
Nominal values in millimetres as published in ISO 7380. Estimated weight 11.121 g per piece in steel (11.192 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.
Thread data
Full M6 thread pageDesignationM6 × 1
Pitch1 mm
Major Ø6 mm
Pitch Ø5.35 mm
Minor Ø ext4.77 mm
Tap drillØ 5 mm